Rump Genghisid Mongol state on the Mongolian Plateau after the Yuan court fled Ming armies in 1368; kept the Yuan imperial title and Borjigin succession through repeated civil wars (Northern Yuan vs. Oirat/Four Oirat rivals) until conquered by the Jurchen-led Later Jin in 1635.
Last khan Ejei Khan surrendered the Yuan imperial seal to Hong Taiji's Later Jin in 1635, ending Borjigin sovereignty over Mongolia.
The atlas holds 4 border frames for Northern Yuan — the shape you scrub through changes in 1368 · 1389 · 1479 · 1604.
Standard scholarly survey of Mongol history including the post-Yuan steppe successor states.