{ "system" : "China Historical GIS, Harvard University and Fudan University", "license" : "CC BY-NC 4.0", "uri" : "https://maps.cga.harvard.edu/tgaz/placename/hvd_42000", "sys_id" : "hvd_42000", "sys_id of alternate" : "", "spellings" : [ { "written form" : "永昌縣", "script" : "traditional Chinese", "exonym language" : "", "attested by" : "", "note" : "" }, { "written form" : "永昌县", "script" : "simplified Chinese", "exonym language" : "", "attested by" : "", "note" : "" }, { "written form" : "Yongchang Xian", "transcribed in" : "Pinyin", "attested by" : "", "note" : "" } ], "feature_type" : { "name" : "县", "alternate name" : "縣", "transcription" : "xian", "English" : "county" }, "temporal" : { "begin" : "222", "begin rule" : "0", "end" : "588", "end rule" : "0" }, "spatial" : { "object_type" : "POINT", "xy_type" : "point", "latitude" : "26.85284", "longitude" : "111.77067", "source" : "FROM_AC", "present_location" : [ { "country code" : "cn", "text" : "湖南祁东县西北砖塘", "source" : "Fudan", "attestation" : "" } ] }, "historical_context" : { "part of" : [ { "begin year" : "222", "end year" : "588", "parent id" : "hvd_32886", "name" : "零陵郡", "transcribed" : "Lingling Jun" } ], "subordinate units" : [ ], "preceded by" : [ ] }, "data source" : "CHGIS", "source note" : "永昌县(222-588年)治所(傅林祥编写)

三国吴置。⑴治所在今湖南祁东县驻地洪桥镇西北砖塘。⑵属零陵郡。晋、南朝宋、齐、梁、陈因之。⑶隋开皇九年(589)平陈,废入零陵县。⑷

⑴《宋书》卷37《州郡三》:“永昌令,吴立。”(北京,中华书局,4册,1131页)
按:因无具体年代,暂作三国吴黄武元年(222年)置,待考。
⑵《舆地纪胜》卷56《荆湖南路》:“故永昌县在祁阳西八十里,隋开皇九年废。”(中华书局,3册,2048页)
嘉庆《清一统志》卷371《永州府二》:“永昌废县,三国吴分泉陵置,属零陵郡。晋及宋、齐以后因之。隋省入零陵。《明统志》:在祁阳县西八十里。应在今县西北,祁江之北,石燕山之东。”(137册,3页)
《湖南省志》第2卷《地理志(修订本)》第2篇《沿革》:“祁东县在汉时为泉陵县地。三国吴分泉陵县置永昌县。治所在今祁阳县治西北76里本县所辖的砖塘,因常出现汉砖得名。”(湖南人民出版社,上册,587页)
⑶《晋书》卷15《地理下》;北京,中华书局,2册,457页。
《宋书》卷15《州郡三》;北京,中华书局,4册,1131页。
《南齐书》卷15《州郡下》;北京,中华书局,1册,287页。
洪齮孙:《补梁疆域志》卷3;北京,中华书局,《二十五史补编》,第4册,4420页。
臧励和,《补陈疆域志》卷3;北京,中华书局,《二十五史补编》,第4册,4464页。
⑷唐?魏徵:《隋书》卷31《地理下》:“零陵,旧曰泉陵,置零陵郡。平陈,郡废,又废应阳、永昌、祁阳三县入焉。”(中华书局,1973年汪绍楹等校点本,第3册,第896页)", "source uri" : "" }