{
  "system" : "China Historical GIS, Harvard University and Fudan University",
  "license" : "CC BY-NC 4.0",
  "uri" : "https://chgis.hudci.org/tgaz/placename/hvd_44731",
  "sys_id" : "hvd_44731",
  "sys_id of alternate" : "",
  "spellings" : [
    {
      "written form" : "永安縣",
      "script" : "traditional Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "永安县",
      "script" : "simplified Chinese",
      "exonym language" : "",
      "attested by" : "",
      "note" : ""
    },
    {
      "written form" : "Yong'an Xian",
      "transcribed in" : "Pinyin",
      "attested by" : "",
      "note" : ""
    }
  ],
  "feature_type" : {
    "name" : "县",
    "alternate name" : "縣",
    "transcription" : "xian",
    "English" : "county"
  },
  "temporal" : {
    "begin" : "618",
    "begin rule" : "4",
    "end" : "733",
    "end rule" : "4"
  },
  "spatial" : {
    "object_type" : "POINT",
    "xy_type" : "point",
    "latitude" : "29.96096",
    "longitude" : "107.29003",
    "source" : "FROM_FD",
    "present_location" : [
      {
        "country code" : "cn",
        "text" : "今四川长寿县东北双龙东十五里",
        "source" : "Fudan",
        "attestation" : ""
      }
    ]
  },
  "historical_context" : {
    "part of" : [
      {
        "begin year" : "618",
        "end year" : "733",
        "parent id" : "hvd_111098",
        "name" : "涪州",
        "transcribed" : "Fu Zhou"
      }
    ],
    "subordinate units" : [
    ],
    "preceded by" : [
    ]
  },
  "data source" : "CHGIS",
  "source note" : "永安县（618—733年）<br><br>唐武德元年（618年）置，属涪州。①故治在今四川长寿县东北双龙东十五里。②开元二十二年（734年）废。③<br><br>注：<br>①《太平寰宇记》卷宗120“涪州……乐温县……永安故城，武德元年析涪陵、巴二县于地今州西南一百五十里置，以县永安山为名。开元二年民以为非便，遂废。”（光绪金陵书局本）《新唐书》卷40《地理志四》：“涪州涪陵郡……涪陵，中下。武德二年置，并置武龙县。又析涪陵、巴县地置永安县。开元二十二年省永安入乐温。”（第5册，1030页）今从《新唐书》说。<br>②民国十七年《长寿县志》卷1：“永安山，双龙场东十五里。治东北七十五里。唐置永安县，以山为名。今置于上，又名马鞍山。”今长寿县东北有双龙公社，其东十五里为永安山，故县定于此。<br>③见①。",
  "source uri" : ""
}