{ "system" : "China Historical GIS, Harvard University and Fudan University", "license" : "CC BY-NC 4.0", "uri" : "https://maps.cga.harvard.edu/tgaz/placename/hvd_42642", "sys_id" : "hvd_42642", "sys_id of alternate" : "", "spellings" : [ { "written form" : "開陽縣", "script" : "traditional Chinese", "exonym language" : "", "attested by" : "", "note" : "" }, { "written form" : "开阳县", "script" : "simplified Chinese", "exonym language" : "", "attested by" : "", "note" : "" }, { "written form" : "Kaiyang Xian", "transcribed in" : "Pinyin", "attested by" : "", "note" : "" } ], "feature_type" : { "name" : "县", "alternate name" : "縣", "transcription" : "xian", "English" : "county" }, "temporal" : { "begin" : "621", "begin rule" : "4", "end" : "972", "end rule" : "4" }, "spatial" : { "object_type" : "POINT", "xy_type" : "point", "latitude" : "22.59713", "longitude" : "111.61173", "source" : "FROM_FD", "present_location" : [ { "country code" : "cn", "text" : "广东省罗定县东南旧县村", "source" : "Fudan", "attestation" : "" } ] }, "historical_context" : { "part of" : [ { "begin year" : "621", "end year" : "741", "parent id" : "hvd_34115", "name" : "泷州", "transcribed" : "Long Zhou" }, { "begin year" : "742", "end year" : "757", "parent id" : "hvd_34116", "name" : "开阳郡", "transcribed" : "Kaiyang Jun" }, { "begin year" : "758", "end year" : "972", "parent id" : "hvd_34063", "name" : "泷州", "transcribed" : "Long Zhou" } ], "subordinate units" : [ ], "preceded by" : [ ] }, "data source" : "CHGIS", "source note" : "开阳县(621-972年)治所(张修桂编写)

唐武德四年(621年)复置,属泷州(1)。治所即今广东省罗定县东南旧县村(2)。宋开宝六年(973年)省入泷水县(3)。

————————————————————
(1),《旧唐书》卷41?岭南道?泷州:“隋永熙郡之泷水县。武德四年,平萧铣,置泷州。天宝元年改为开阳郡治。乾元元年复为泷州。”开阳县“隋废县。武德四年,分泷水置。”(北京,中华书局,1975年,5册,1720页)。
(2),《太平寰宇记》卷164?康州?泷水县:废开阳县,在县东三十五里。本隋废县,唐武德四年分泷水置,开宝六年废入泷水县,今为开阳镇。(《四部丛刊续编》,商务印书馆,1934年,171册)。《嘉庆一统志》卷457?罗定州?古迹?开阳废县:“在州东南。州志,在今州东南五十里,今为开阳乡,基址尚存,俗呼为旧县。”(《四部丛刊续编》,商务印书馆,1934年,171册)。即今广东省罗定县东南旧县村。
(3),见注2《太平寰宇记》。", "source uri" : "" }