{
  "system" : "China Historical GIS, Harvard University and Fudan University",
  "license" : "CC BY-NC 4.0",
  "uri" : "https://chgis.hudci.org/tgaz/placename/hvd_70477",
  "sys_id" : "hvd_70477",
  "sys_id of alternate" : "",
  "spellings" : [
    {
      "written form" : "涼興縣",
      "script" : "traditional Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "凉兴县",
      "script" : "simplified Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "Liangxing Xian",
      "transcribed in" : "Pinyin",
      "attested by" : "",
      "note" : ""
    }
  ],
  "feature_type" : {
    "name" : "县",
    "alternate name" : "縣",
    "transcription" : "xian",
    "English" : "county"
  },
  "temporal" : {
    "begin" : "569",
    "begin rule" : "2",
    "end" : "584",
    "end rule" : "3"
  },
  "spatial" : {
    "object_type" : "POINT",
    "xy_type" : "point",
    "latitude" : "40.51524",
    "longitude" : "96.02817",
    "source" : "FROM_FD",
    "present_location" : [
      {
        "country code" : "cn",
        "text" : "今甘肃瓜州县东",
        "source" : "Fudan",
        "attestation" : ""
      }
    ]
  },
  "historical_context" : {
    "part of" : [
      {
        "begin year" : "569",
        "end year" : "584",
        "parent id" : "hvd_115092",
        "name" : "常乐郡",
        "transcribed" : "Changle Jun"
      }
    ],
    "subordinate units" : [
    ],
    "preceded by" : [
    ]
  },
  "data source" : "CHGIS",
  "source note" : "凉兴县（569—584年）

后周569年，并涼兴、大至、冥安、闰泉，合为涼兴县，属常乐郡，①治所在今甘肃瓜州县东。②
隋584年，长乐郡废，凉兴县改名常乐县。③ 

注：
① 《隋书》卷二十九?地理上：“常乐，后魏置常乐郡。后周并凉兴、大至、冥安、闰泉，合为凉兴县。开皇初郡废，改县为常乐。有关官。”（北京：中华书局，1973年，第816页。）引者按，后周并县时间不详，姑取后周时段中点569年。
②《中国历史地名辞典》：“凉兴县，十六国北凉置，治所在今甘肃安西县东。”（南昌：江西教育出版社，1989年，第743页。）
③ 《元和郡县图志》卷四十?陇右道下：“晋昌县，……隋开皇四年改为常乐县，属瓜州，武德七年改为晋昌县。……常乐县，……隋于此置常乐镇，武德五年置常乐县也。”（第1028页。）可确证唐武德五年置瓜州，领晋昌、常乐二县。常乐县为晋昌县析置，且晋昌县为旧常乐县之一部，若依《元和郡县图志》记载，迟至武德七年，晋昌县方改常乐县，则武德五年与七年间，同时有两个常乐县，不确。故取武德五年常乐县改为晋昌县。",
  "source uri" : ""
}