{
  "range": [-2070, 1912],
  "periods": [
    {
      "id": "xia",
      "name": "夏",
      "start": -2070,
      "end": -1601
    },
    {
      "id": "shang",
      "name": "商",
      "start": -1600,
      "end": -1047
    },
    {
      "id": "western-zhou",
      "name": "西周",
      "start": -1046,
      "end": -771
    },
    {
      "id": "spring-autumn",
      "name": "春秋",
      "start": -770,
      "end": -476
    },
    {
      "id": "warring",
      "name": "战国",
      "start": -475,
      "end": -222
    },
    {
      "id": "qin",
      "name": "秦",
      "start": -221,
      "end": -207
    },
    {
      "id": "western-han",
      "name": "西汉",
      "start": -206,
      "end": 8
    },
    {
      "id": "xin",
      "name": "新与更始",
      "start": 9,
      "end": 24
    },
    {
      "id": "eastern-han",
      "name": "东汉",
      "start": 25,
      "end": 219
    },
    {
      "id": "three",
      "name": "三国",
      "start": 220,
      "end": 279
    },
    {
      "id": "western-jin",
      "name": "西晋统一",
      "start": 280,
      "end": 316
    },
    {
      "id": "eastern-jin",
      "name": "东晋十六国",
      "start": 317,
      "end": 419
    },
    {
      "id": "north-south",
      "name": "南北朝",
      "start": 420,
      "end": 580
    },
    {
      "id": "sui",
      "name": "隋",
      "start": 581,
      "end": 617
    },
    {
      "id": "tang",
      "name": "唐",
      "start": 618,
      "end": 906
    },
    {
      "id": "five",
      "name": "五代十国",
      "start": 907,
      "end": 979
    },
    {
      "id": "song",
      "name": "宋辽金夏",
      "start": 980,
      "end": 1278
    },
    {
      "id": "yuan",
      "name": "元",
      "start": 1279,
      "end": 1367
    },
    {
      "id": "ming",
      "name": "明",
      "start": 1368,
      "end": 1643
    },
    {
      "id": "qing",
      "name": "清",
      "start": 1644,
      "end": 1912
    }
  ],
  "events": [
    {
      "year": -2070,
      "title": "夏的传统纪年起点",
      "summary": "采用约前2070年的传统分期。夏与考古文化的对应仍有争议，地图仅显示一种推定。",
      "period": "xia",
      "source": "https://en.wikipedia.org/wiki/Xia_dynasty",
      "approximate": true
    },
    {
      "year": -1600,
      "title": "商代开始（约）",
      "summary": "采用约前1600年的分期，早期年代与控制范围不能逐年确证。",
      "period": "shang",
      "source": "https://en.wikipedia.org/wiki/Shang_dynasty",
      "approximate": true
    },
    {
      "year": -1250,
      "title": "晚商殷墟时期（约）",
      "summary": "晚商有甲骨文与考古材料相互参照；地图仍是整个商代的概略示意。",
      "period": "shang",
      "source": "https://en.wikipedia.org/wiki/Shang_dynasty",
      "approximate": true
    },
    {
      "year": -1046,
      "title": "武王克商（约）",
      "summary": "以约前1046年作为商周分界；建立分封体系。",
      "period": "western-zhou",
      "source": "https://en.wikipedia.org/wiki/Western_Zhou",
      "approximate": true
    },
    {
      "year": -841,
      "title": "共和行政",
      "summary": "自此进入中国历史传统连续纪年的起点。",
      "period": "western-zhou",
      "source": "https://en.wikipedia.org/wiki/Western_Zhou",
      "approximate": false
    },
    {
      "year": -771,
      "title": "西周结束",
      "summary": "镐京陷落，西周王室秩序瓦解。",
      "period": "western-zhou",
      "source": "https://en.wikipedia.org/wiki/Western_Zhou",
      "approximate": false
    },
    {
      "year": -770,
      "title": "平王东迁",
      "summary": "周王室迁往洛邑；时间轴进入春秋阶段。",
      "period": "spring-autumn",
      "source": "https://en.wikipedia.org/wiki/Spring_and_Autumn_period",
      "approximate": false
    },
    {
      "year": -651,
      "title": "葵丘会盟",
      "summary": "齐桓公会诸侯，体现春秋争霸秩序。",
      "period": "spring-autumn",
      "source": "https://en.wikipedia.org/wiki/Spring_and_Autumn_period",
      "approximate": false
    },
    {
      "year": -632,
      "title": "城濮之战",
      "summary": "晋击败楚，晋文公确立霸主地位。",
      "period": "spring-autumn",
      "source": "https://en.wikipedia.org/wiki/Spring_and_Autumn_period",
      "approximate": false
    },
    {
      "year": -597,
      "title": "邲之战",
      "summary": "楚击败晋，晋楚争霸继续。",
      "period": "spring-autumn",
      "source": "https://en.wikipedia.org/wiki/Spring_and_Autumn_period",
      "approximate": false
    },
    {
      "year": -506,
      "title": "吴入郢",
      "summary": "吴军攻入楚都，长江流域格局变化。",
      "period": "spring-autumn",
      "source": "https://en.wikipedia.org/wiki/Spring_and_Autumn_period",
      "approximate": false
    },
    {
      "year": -475,
      "title": "进入战国分期",
      "summary": "这里采用前475年为分期起点；前403年三家分晋是另一常见起点。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Warring_States_period",
      "approximate": false
    },
    {
      "year": -473,
      "title": "越灭吴",
      "summary": "吴国灭亡，越向北发展。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Spring_and_Autumn_period",
      "approximate": false
    },
    {
      "year": -453,
      "title": "晋阳之战",
      "summary": "韩赵魏击败智氏，三家分晋形成事实格局。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Warring_States_period",
      "approximate": false
    },
    {
      "year": -403,
      "title": "三家分晋获周王承认",
      "summary": "韩、赵、魏被列为诸侯；分国地图采用战国早期示意。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Warring_States_period",
      "approximate": false
    },
    {
      "year": -386,
      "title": "田氏代齐获承认",
      "summary": "田氏齐取代姜氏齐。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Warring_States_period",
      "approximate": false
    },
    {
      "year": -375,
      "title": "韩灭郑",
      "summary": "郑并入韩，三晋与中原诸侯继续兼并。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Warring_States_period",
      "approximate": false
    },
    {
      "year": -356,
      "title": "商鞅变法",
      "summary": "秦开始制度改革；这一事件不等于已有对应的精确新边界。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Warring_States_period",
      "approximate": false
    },
    {
      "year": -316,
      "title": "秦灭巴蜀",
      "summary": "秦进入四川盆地，获得新的战略腹地。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Warring_States_period",
      "approximate": false
    },
    {
      "year": -278,
      "title": "秦拔郢",
      "summary": "秦占楚旧都郢，楚政治中心东移。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Warring_States_period",
      "approximate": false
    },
    {
      "year": -260,
      "title": "长平之战",
      "summary": "赵遭重创，秦在统一战争中取得优势。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Warring_States_period",
      "approximate": false
    },
    {
      "year": -230,
      "title": "秦灭韩",
      "summary": "韩成为六国中最先被秦消灭的一国。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Qin%27s_wars_of_unification",
      "approximate": false
    },
    {
      "year": -228,
      "title": "秦取邯郸",
      "summary": "赵都失守，代地残余政权尚存。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Qin%27s_wars_of_unification",
      "approximate": false
    },
    {
      "year": -225,
      "title": "秦灭魏",
      "summary": "大梁陷落，魏亡。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Qin%27s_wars_of_unification",
      "approximate": false
    },
    {
      "year": -223,
      "title": "秦灭楚",
      "summary": "楚国主要政权被秦消灭。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Qin%27s_wars_of_unification",
      "approximate": false
    },
    {
      "year": -222,
      "title": "秦灭燕与代",
      "summary": "燕与赵的代地残余政权结束。",
      "period": "warring",
      "source": "https://en.wikipedia.org/wiki/Qin%27s_wars_of_unification",
      "approximate": false
    },
    {
      "year": -221,
      "title": "秦完成统一",
      "summary": "秦灭齐，建立帝国；地图为秦代郡县时期示意，含此后的扩展。",
      "period": "qin",
      "source": "https://en.wikipedia.org/wiki/Qin%27s_wars_of_unification",
      "approximate": false
    },
    {
      "year": -214,
      "title": "秦向岭南扩展",
      "summary": "秦设置南海、桂林、象郡等郡，南方纳入郡县体系。",
      "period": "qin",
      "source": "https://en.wikipedia.org/wiki/Qin_dynasty",
      "approximate": false
    },
    {
      "year": -209,
      "title": "秦末起义",
      "summary": "陈胜、吴广起事，各地政权陆续兴起。",
      "period": "qin",
      "source": "https://en.wikipedia.org/wiki/Qin_dynasty",
      "approximate": false
    },
    {
      "year": -207,
      "title": "秦亡",
      "summary": "子婴降刘邦；各地仍处在争夺中。",
      "period": "qin",
      "source": "https://en.wikipedia.org/wiki/Qin_dynasty",
      "approximate": false
    },
    {
      "year": -206,
      "title": "汉国建立与楚汉相争",
      "summary": "刘邦受封汉王；西汉纪年常从此年起算，帝国统一尚未完成。",
      "period": "western-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": -202,
      "title": "汉朝确立",
      "summary": "刘邦击败项羽称帝，楚汉战争结束。",
      "period": "western-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": -200,
      "title": "白登之围",
      "summary": "汉与匈奴交战；本年有一幅西汉初期概略地图。",
      "period": "western-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": -154,
      "title": "七国之乱",
      "summary": "诸侯王叛乱被平定，中央权力加强。",
      "period": "western-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": -121,
      "title": "河西之战",
      "summary": "汉军取得河西走廊的重要进展。",
      "period": "western-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": -111,
      "title": "汉灭南越",
      "summary": "岭南原南越国区域纳入汉朝郡县。",
      "period": "western-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": -108,
      "title": "汉灭卫满朝鲜",
      "summary": "汉在朝鲜半岛北部设置郡县。",
      "period": "western-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": -60,
      "title": "西域都护设置",
      "summary": "汉在西域建立都护制度；不同层级的控制不能用一个统一色块精确概括。",
      "period": "western-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": 9,
      "title": "王莽建立新朝",
      "summary": "西汉结束；地图采用新朝整个时期的概略范围。",
      "period": "xin",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": 23,
      "title": "新朝覆灭",
      "summary": "更始政权建立，天下仍处于争夺之中。",
      "period": "xin",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": 25,
      "title": "东汉建立",
      "summary": "刘秀称帝，统一战争继续。",
      "period": "eastern-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": 36,
      "title": "东汉完成主要统一",
      "summary": "公孙述政权结束，东汉控制区域进一步整合。",
      "period": "eastern-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": 184,
      "title": "黄巾起义",
      "summary": "大规模起义与镇压削弱东汉中央秩序。",
      "period": "eastern-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": 190,
      "title": "关东联军讨董卓",
      "summary": "诸军阀割据逐渐显现，东汉名义疆域不等于实际控制。",
      "period": "eastern-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": 200,
      "title": "官渡之战",
      "summary": "曹操击败袁绍，北方局势改变。",
      "period": "eastern-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": 208,
      "title": "赤壁之战",
      "summary": "孙刘联军击败曹操，南北分立格局形成。",
      "period": "eastern-han",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Han_dynasty",
      "approximate": false
    },
    {
      "year": 219,
      "title": "孙权夺荆州",
      "summary": "关羽败亡，孙刘在荆州的控制发生改变。",
      "period": "eastern-han",
      "source": "https://en.wikipedia.org/wiki/Three_Kingdoms",
      "approximate": false
    },
    {
      "year": 220,
      "title": "曹魏建立",
      "summary": "曹丕称帝，东汉结束。",
      "period": "three",
      "source": "https://en.wikipedia.org/wiki/Three_Kingdoms",
      "approximate": false
    },
    {
      "year": 221,
      "title": "蜀汉建立",
      "summary": "刘备在成都称帝。",
      "period": "three",
      "source": "https://en.wikipedia.org/wiki/Three_Kingdoms",
      "approximate": false
    },
    {
      "year": 222,
      "title": "夷陵之战",
      "summary": "孙吴击败蜀汉，三方边界趋于稳定。",
      "period": "three",
      "source": "https://en.wikipedia.org/wiki/Three_Kingdoms",
      "approximate": false
    },
    {
      "year": 229,
      "title": "孙吴称帝",
      "summary": "孙权称帝，三国鼎立格局确立。",
      "period": "three",
      "source": "https://en.wikipedia.org/wiki/Three_Kingdoms",
      "approximate": false
    },
    {
      "year": 263,
      "title": "魏灭蜀",
      "summary": "蜀汉结束；本节点将262年示意图中的蜀地归入魏。",
      "period": "three",
      "source": "https://en.wikipedia.org/wiki/Three_Kingdoms",
      "approximate": false
    },
    {
      "year": 266,
      "title": "西晋取代曹魏",
      "summary": "司马炎建立晋；本节点改变原魏、蜀地区的归属。",
      "period": "three",
      "source": "https://en.wikipedia.org/wiki/Three_Kingdoms",
      "approximate": false
    },
    {
      "year": 280,
      "title": "晋灭吴，三国结束",
      "summary": "西晋统一；地图采用统一时期的概略范围。",
      "period": "western-jin",
      "source": "https://en.wikipedia.org/wiki/Jin_dynasty_(266%E2%80%93420)",
      "approximate": false
    },
    {
      "year": 291,
      "title": "八王之乱开始",
      "summary": "西晋宗室战争逐渐削弱中央控制。",
      "period": "western-jin",
      "source": "https://en.wikipedia.org/wiki/Jin_dynasty_(266%E2%80%93420)",
      "approximate": false
    },
    {
      "year": 304,
      "title": "成汉与汉赵兴起",
      "summary": "北方与四川出现独立政权，西晋统一局面瓦解。",
      "period": "western-jin",
      "source": "https://en.wikipedia.org/wiki/Jin_dynasty_(266%E2%80%93420)",
      "approximate": false
    },
    {
      "year": 311,
      "title": "永嘉之乱",
      "summary": "洛阳陷落，晋室南迁过程加速。",
      "period": "western-jin",
      "source": "https://en.wikipedia.org/wiki/Jin_dynasty_(266%E2%80%93420)",
      "approximate": false
    },
    {
      "year": 316,
      "title": "西晋结束",
      "summary": "长安陷落，西晋灭亡。",
      "period": "western-jin",
      "source": "https://en.wikipedia.org/wiki/Jin_dynasty_(266%E2%80%93420)",
      "approximate": false
    },
    {
      "year": 317,
      "title": "东晋建立",
      "summary": "司马睿在建康建立东晋政权，北方诸国并立。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Jin_dynasty_(266%E2%80%93420)",
      "approximate": false
    },
    {
      "year": 329,
      "title": "后赵灭前赵",
      "summary": "石勒统一北方大部。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 347,
      "title": "东晋灭成汉",
      "summary": "东晋取得四川盆地。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 351,
      "title": "前秦建立",
      "summary": "苻氏政权建立，北方重新进入兼并过程。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 370,
      "title": "前秦灭前燕",
      "summary": "前秦控制范围扩展至华北东部。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 376,
      "title": "前秦统一北方",
      "summary": "前凉与代被消灭，形成图中前秦与东晋的大致格局。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 383,
      "title": "淝水之战",
      "summary": "东晋击败前秦，前秦控制体系随后瓦解。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 384,
      "title": "后燕与后秦兴起",
      "summary": "北方再度出现多个政权；现有376年地图仅供历史参考。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 386,
      "title": "北魏复国建政",
      "summary": "拓跋珪建立代，随后改国号为魏。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 394,
      "title": "后秦灭前秦",
      "summary": "前秦结束，关中由后秦控制。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 398,
      "title": "北魏迁都平城",
      "summary": "平城成为北魏的重要政治中心。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 417,
      "title": "刘裕灭后秦",
      "summary": "东晋军队取得长安，次年关中又失于夏。",
      "period": "eastern-jin",
      "source": "https://en.wikipedia.org/wiki/Sixteen_Kingdoms",
      "approximate": false
    },
    {
      "year": 420,
      "title": "刘宋取代东晋",
      "summary": "南方进入宋齐梁陈相继的南朝阶段。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 439,
      "title": "北魏统一北方",
      "summary": "北魏灭北凉，南北朝对峙格局形成。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 479,
      "title": "南齐建立",
      "summary": "萧道成取代刘宋，建立齐。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 494,
      "title": "北魏迁都洛阳",
      "summary": "北魏政治中心从平城南迁。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 502,
      "title": "梁朝建立",
      "summary": "萧衍取代南齐。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 534,
      "title": "北魏分裂：东魏建立",
      "summary": "北魏分裂，东魏政权建立。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 535,
      "title": "西魏建立",
      "summary": "宇文泰控制下的西魏与东魏对峙。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 548,
      "title": "侯景之乱",
      "summary": "梁朝秩序崩解，南方控制格局发生剧烈变化。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 550,
      "title": "北齐取代东魏",
      "summary": "高洋建立北齐。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 554,
      "title": "西魏攻陷江陵",
      "summary": "梁元帝政权结束，南方继续分裂。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 555,
      "title": "西梁建立",
      "summary": "萧詧在江陵建立西梁，依附北方政权。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 557,
      "title": "北周与陈建立",
      "summary": "北周取代西魏，陈取代梁；西梁继续存在。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 577,
      "title": "北周灭北齐",
      "summary": "北方再次统一，本节点合并北齐示意区域。",
      "period": "north-south",
      "source": "https://en.wikipedia.org/wiki/Northern_and_Southern_dynasties",
      "approximate": false
    },
    {
      "year": 581,
      "title": "隋朝建立",
      "summary": "杨坚取代北周，南方陈与西梁仍存。",
      "period": "sui",
      "source": "https://en.wikipedia.org/wiki/Sui_dynasty",
      "approximate": false
    },
    {
      "year": 587,
      "title": "隋废西梁",
      "summary": "江陵西梁政权结束。",
      "period": "sui",
      "source": "https://en.wikipedia.org/wiki/Sui_dynasty",
      "approximate": false
    },
    {
      "year": 589,
      "title": "隋灭陈",
      "summary": "南北主要政权归于统一。",
      "period": "sui",
      "source": "https://en.wikipedia.org/wiki/Sui_dynasty",
      "approximate": false
    },
    {
      "year": 609,
      "title": "隋进取吐谷浑",
      "summary": "隋在青海一带设郡，西部范围扩大。",
      "period": "sui",
      "source": "https://en.wikipedia.org/wiki/Sui_dynasty",
      "approximate": false
    },
    {
      "year": 610,
      "title": "隋取伊吾",
      "summary": "本年行政区划参考图包括伊吾与此前吐谷浑的扩展。",
      "period": "sui",
      "source": "https://en.wikipedia.org/wiki/Sui_dynasty",
      "approximate": false
    },
    {
      "year": 612,
      "title": "隋征高句丽",
      "summary": "大规模战争失利，内乱进一步发展。",
      "period": "sui",
      "source": "https://en.wikipedia.org/wiki/Sui_dynasty",
      "approximate": false
    },
    {
      "year": 617,
      "title": "李渊入长安",
      "summary": "隋末各地割据，唐朝建立前夕。",
      "period": "sui",
      "source": "https://en.wikipedia.org/wiki/Sui_dynasty",
      "approximate": false
    },
    {
      "year": 618,
      "title": "唐朝建立",
      "summary": "李渊称帝，隋唐易代。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 621,
      "title": "虎牢之战",
      "summary": "唐击败王世充、窦建德，取得洛阳。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 628,
      "title": "唐初统一",
      "summary": "梁师都败亡，唐初主要割据势力结束。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 630,
      "title": "灭东突厥",
      "summary": "唐击败东突厥汗国。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 640,
      "title": "平高昌",
      "summary": "唐置西州，经营西域。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 657,
      "title": "击败西突厥",
      "summary": "西域政治格局改变。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 668,
      "title": "高句丽灭亡",
      "summary": "唐与新罗联军攻灭高句丽。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 690,
      "title": "武周建立",
      "summary": "武则天改国号为周。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 705,
      "title": "唐朝恢复",
      "summary": "神龙政变后恢复唐国号。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 742,
      "title": "开元之后",
      "summary": "可对照 742 年唐朝诸道地图。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 755,
      "title": "安史之乱爆发",
      "summary": "北方陷入战争，唐朝控制范围变化。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 763,
      "title": "安史之乱结束",
      "summary": "藩镇格局延续，吐蕃曾攻入长安。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 800,
      "title": "中唐疆域",
      "summary": "现有世界尺度唐朝疆域切片。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 874,
      "title": "唐末民变",
      "summary": "王仙芝起事，唐末秩序动摇。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 880,
      "title": "黄巢入长安",
      "summary": "黄巢军占领长安，建立大齐。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 900,
      "title": "唐末格局",
      "summary": "名义朝廷与地方藩镇控制须区分。",
      "period": "tang",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Tang_dynasty"
    },
    {
      "year": 907,
      "title": "唐亡 · 后梁建立",
      "summary": "朱温建后梁；晋、岐、前蜀、吴、吴越、楚等并存。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 909,
      "title": "闽王受封",
      "summary": "王审知受封闽王。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 911,
      "title": "燕政权建立",
      "summary": "刘守光在幽州称帝。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 913,
      "title": "晋灭燕",
      "summary": "李存勖取得幽州。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 916,
      "title": "契丹建国",
      "summary": "耶律阿保机称帝。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 917,
      "title": "南汉建立",
      "summary": "刘䶮在广州称帝，初号大越，次年改汉。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 923,
      "title": "后唐灭后梁",
      "summary": "李存勖建后唐并灭后梁。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 924,
      "title": "荆南受封",
      "summary": "高季兴受封南平王。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 925,
      "title": "后唐灭前蜀",
      "summary": "前蜀亡，后唐取得蜀地。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 926,
      "title": "后唐版图",
      "summary": "该年地图展示吞并前蜀后的格局。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 934,
      "title": "后蜀建立",
      "summary": "孟知祥在成都称帝。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 936,
      "title": "后晋建立",
      "summary": "石敬瑭借契丹兵建立后晋，并割让燕云十六州。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 937,
      "title": "南唐取代吴",
      "summary": "李昪建立南唐。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 939,
      "title": "后晋与十国",
      "summary": "参照 939 年分年地图。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 943,
      "title": "殷从闽分出",
      "summary": "王延政在建州称帝。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 945,
      "title": "南唐灭闽",
      "summary": "闽亡后，福建仍存在地方势力。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 947,
      "title": "后晋亡 · 后汉立",
      "summary": "契丹灭后晋；刘知远随后建立后汉。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 949,
      "title": "后汉与十国",
      "summary": "参照 949 年分年地图。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 951,
      "title": "后周与北汉建立",
      "summary": "郭威建后周，刘崇建北汉；南唐灭楚。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 955,
      "title": "后周取后蜀四州",
      "summary": "后周取得秦、凤、成、阶四州。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 958,
      "title": "南唐失淮南",
      "summary": "南唐向后周割让江北地。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 959,
      "title": "后周北伐",
      "summary": "后周取得瀛、莫等地。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 960,
      "title": "北宋建立",
      "summary": "赵匡胤建立宋朝，南方割据仍存。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 963,
      "title": "荆南、湖南入宋",
      "summary": "宋取得荆南和湖南地区。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 965,
      "title": "宋灭后蜀",
      "summary": "成都陷落，后蜀亡。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 971,
      "title": "宋灭南汉",
      "summary": "广州陷落，南汉亡。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 975,
      "title": "宋灭南唐",
      "summary": "金陵陷落，南唐亡。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 978,
      "title": "吴越纳土",
      "summary": "吴越与清源军所辖地区归宋。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 979,
      "title": "宋灭北汉",
      "summary": "太原陷落；五代十国进程结束，宋辽继续并存。",
      "period": "five",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Five_Dynasties_and_Ten_Kingdoms"
    },
    {
      "year": 1000,
      "title": "宋辽并立",
      "summary": "现有 1000 年疆域切片。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1005,
      "title": "澶渊之盟",
      "summary": "宋辽缔结和约，形成较稳定的对峙。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1038,
      "title": "西夏建立",
      "summary": "李元昊称帝，宋辽夏并立。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1100,
      "title": "宋辽夏格局",
      "summary": "现有 1100 年疆域切片。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1115,
      "title": "金朝建立",
      "summary": "完颜阿骨打建立金朝。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1125,
      "title": "金灭辽",
      "summary": "辽天祚帝被俘，辽朝终结。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1127,
      "title": "靖康之变",
      "summary": "北宋亡，赵构建立南宋。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1142,
      "title": "宋金和议后",
      "summary": "参照 1142 年南宋、金、西夏、大理地图。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1206,
      "title": "蒙古汗国建立",
      "summary": "铁木真被推举为成吉思汗。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1227,
      "title": "蒙古灭西夏",
      "summary": "西夏亡。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1234,
      "title": "金朝灭亡",
      "summary": "蒙宋联军攻灭金朝。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1253,
      "title": "蒙古攻灭大理",
      "summary": "忽必烈军进入大理。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1271,
      "title": "元朝定国号",
      "summary": "忽必烈定国号为大元。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1276,
      "title": "临安陷落",
      "summary": "元军进入临安，南宋政权继续南迁。",
      "period": "song",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Song_dynasty"
    },
    {
      "year": 1279,
      "title": "崖山之战",
      "summary": "南宋最后的抵抗政权覆亡。",
      "period": "yuan",
      "source": "https://en.wikipedia.org/wiki/Yuan_dynasty"
    },
    {
      "year": 1300,
      "title": "元朝疆域",
      "summary": "原数据称大汗汗国，边界为概略表达。",
      "period": "yuan",
      "source": "https://en.wikipedia.org/wiki/Yuan_dynasty"
    },
    {
      "year": 1351,
      "title": "红巾军起义",
      "summary": "元末割据与战争展开。",
      "period": "yuan",
      "source": "https://en.wikipedia.org/wiki/Yuan_dynasty"
    },
    {
      "year": 1368,
      "title": "明建立 · 元北退",
      "summary": "朱元璋称帝；明军取大都，元廷北迁。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1382,
      "title": "明取云南",
      "summary": "明军攻取云南。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1387,
      "title": "纳哈出降明",
      "summary": "明在辽东的控制进一步巩固。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1407,
      "title": "明占交趾",
      "summary": "明在交趾设置行政机构。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1427,
      "title": "明撤出交趾",
      "summary": "明军撤出，交趾脱离明的统治。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1492,
      "title": "明代疆域切片",
      "summary": "现有 1492 年概略边界。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1500,
      "title": "明代疆域切片",
      "summary": "现有 1500 年概略边界。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1530,
      "title": "明中期疆域",
      "summary": "现有 1530 年概略边界。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1600,
      "title": "明末疆域",
      "summary": "现有 1600 年概略边界。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1616,
      "title": "后金建立",
      "summary": "努尔哈赤建立后金。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1636,
      "title": "清朝定国号",
      "summary": "皇太极改国号为清。",
      "period": "ming",
      "source": "https://en.wikipedia.org/wiki/Timeline_of_the_Ming_dynasty"
    },
    {
      "year": 1644,
      "title": "明清鼎革",
      "summary": "明北京政权覆亡，清军入关；南明等政权并存。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1645,
      "title": "南京陷落",
      "summary": "清军取得南京，南明继续抵抗。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1650,
      "title": "清与南明",
      "summary": "现有地图分别显示清与南明诸势力。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1662,
      "title": "永历帝被杀",
      "summary": "南明永历政权终结，郑氏仍据台湾。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1673,
      "title": "三藩之乱",
      "summary": "南方再次出现大范围战事。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1681,
      "title": "三藩之乱结束",
      "summary": "清军平定三藩。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1683,
      "title": "郑氏降清",
      "summary": "清军取得台湾。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1689,
      "title": "尼布楚条约",
      "summary": "清俄划定东段部分边界。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1691,
      "title": "多伦会盟",
      "summary": "喀尔喀蒙古归附清廷。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1715,
      "title": "清初疆域切片",
      "summary": "现有 1715 年概略边界。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1720,
      "title": "清军入藏",
      "summary": "清军驱逐准噶尔势力。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1755,
      "title": "征服准噶尔",
      "summary": "清军进入伊犁，准噶尔政权瓦解。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1759,
      "title": "平定大小和卓",
      "summary": "清朝在天山南路确立统治。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1783,
      "title": "清中期疆域",
      "summary": "现有 1783 年概略边界。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1800,
      "title": "清中期疆域切片",
      "summary": "现有 1800 年概略边界。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1842,
      "title": "南京条约",
      "summary": "香港岛割让给英国。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Treaty_of_Nanking"
    },
    {
      "year": 1858,
      "title": "瑷珲条约",
      "summary": "黑龙江以北大片地区归俄。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Treaty_of_Aigun"
    },
    {
      "year": 1860,
      "title": "北京条约",
      "summary": "乌苏里江以东地区归俄。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Convention_of_Peking"
    },
    {
      "year": 1864,
      "title": "中俄西北勘界",
      "summary": "西北边界发生变化。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Treaty_of_Tarbagatai"
    },
    {
      "year": 1878,
      "title": "新疆战事告一段落",
      "summary": "清军收复新疆大部分地区，伊犁问题尚待解决。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1884,
      "title": "新疆建省",
      "summary": "新疆改设行省。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Xinjiang_Province"
    },
    {
      "year": 1895,
      "title": "马关条约",
      "summary": "台湾、澎湖割让给日本。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Treaty_of_Shimonoseki"
    },
    {
      "year": 1900,
      "title": "清末疆域",
      "summary": "现有 1900 年概略边界。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Qing_dynasty"
    },
    {
      "year": 1911,
      "title": "辛亥革命",
      "summary": "各省相继宣布独立；年份内局势持续变化。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/1911_Revolution"
    },
    {
      "year": 1912,
      "title": "清帝退位",
      "summary": "清帝退位，帝制终结。",
      "period": "qing",
      "source": "https://en.wikipedia.org/wiki/Abdication_of_the_Qing_emperor"
    }
  ],
  "note": "精选事件年表；非每年疆界普查。地图版本年份独立标注，缺口不插值。"
}