{ "system" : "China Historical GIS, Harvard University and Fudan University", "license" : "CC BY-NC 4.0", "uri" : "https://maps.cga.harvard.edu/tgaz/placename/hvd_34087", "sys_id" : "hvd_34087", "sys_id of alternate" : "", "spellings" : [ { "written form" : "臨封郡", "script" : "traditional Chinese", "exonym language" : "", "attested by" : "", "note" : "" }, { "written form" : "临封郡", "script" : "simplified Chinese", "exonym language" : "", "attested by" : "", "note" : "" }, { "written form" : "Linfeng Jun", "transcribed in" : "Pinyin", "attested by" : "", "note" : "" } ], "feature_type" : { "name" : "郡", "alternate name" : "郡", "transcription" : "jun", "English" : "commandery" }, "temporal" : { "begin" : "742", "begin rule" : "4", "end" : "757", "end rule" : "4" }, "spatial" : { "object_type" : "POINT", "xy_type" : "point", "latitude" : "23.40005", "longitude" : "111.50941", "source" : "FROM_AC", "present_location" : [ { "country code" : "cn", "text" : "广东省封开县封川镇", "source" : "Fudan", "attestation" : "" } ] }, "historical_context" : { "part of" : [ { "begin year" : "742", "end year" : "755", "parent id" : "hvd_113618", "name" : "唐", "transcribed" : "Tang" }, { "begin year" : "756", "end year" : "757", "parent id" : "hvd_30185", "name" : "岭南节度使", "transcribed" : "Lingnan Jiedus" } ], "subordinate units" : [ { "begin_year" : "742", "end_year" : "757", "child id" : "hvd_42373", "name" : "封川县", "transcribed" : "Fengchuan Xian" }, { "begin_year" : "742", "end_year" : "757", "child id" : "hvd_42374", "name" : "开建县", "transcribed" : "Kaijian Xian" } ], "preceded by" : [ { "preceded by id" : "hvd_34086", "name" : "封州", "transcribed" : "Feng Zhou" } ] }, "data source" : "CHGIS", "source note" : "临封郡(742-757年)治所和界线

唐天宝元年(742年),以封州改名(1)。领封川、开建二县。郡治封川县,治所即今广东省封开县封川镇。辖境相当今广东省开建县(2)。乾元元年(758年),更名封州(3)。

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(1),《旧唐书》卷41?岭南道?封州:“隋苍梧郡之封川县。武德四年,平萧铣,置封州。天宝元年,改为临封郡。乾元元年,复为封州。旧领县四。天宝领县二:封川,州所治。汉广信县地,属苍梧郡。梁置梁信郡。隋平陈,改为成州,又改为封州。隋末,州废为封川县,属苍梧郡。武德初,置封州。隋移州于封川口,即今县治也。开建,汉封阳县地,属苍梧郡,隋旧也。”(北京,中华书局,1975年,5册,1719页)。
(2),据所领新旧县治故址,并参考宣统元年《广东舆地全图》,辖境相当今广东省开建县。
(3),见注(1)。", "source uri" : "" }