Medieval Japan By HermanL41158 Dec 6, 1192 The Kamakura Shogunate Goverment Dec 6, 1274 The Mongols Dec 6, 1333 The Kemmu Restorations Dec 6, 1336 The Ashikaga Shogunate Dec 6, 1467 The Onin War Dec 6, 1542 The Portuguese Dec 6, 1549 Christianity Is Introduced By Francis Xavier Dec 6, 1590 Toyotomi Hideyoshi