舆图集 · 通用库数据 (Yutuji Historical Atlas — Open Data)

704 places, 155 people, 393 events and 263 cited works from the Yutuji historical atlas (https://yutuji.com), a Chinese-language series of hand-drawn historical maps. Every date, place and event carries its source and a reliability grade (A–D). JSON and CSV. 704 处地点、155 位人物、393 件事、263 部所引之书,每条注明出处与 A—D 可信度分级。