Historical Events
- May 10 Jews of England imprisoned on charges of coining
- Aug 26 Battle of Marchfeld: Rudolf of Habsburg defeats Ottokar II
- Nov 17 680 Jews arrested (293 hanged) in England for counterfeiting coins
Famous People Born in 1278
- Apr 17 Michael IX Palaeologus, co-ruling Byzantine Emperor (1295-1320), eldest son of Andronikos II Palaiologos and Anna of Hungary, born in Constantinople, Byzantine Empire (d. 1320)
World Leaders in 1278
Kublai Khan
Famous People Who Died in 1278
- Feb 10 Margaret II of Flanders (b. 1202)
- May 8 Emperor Duanzong of China (b. 1268)
- Aug 13 Daikaku, Zen teacher Rinzai line/head of Kenchoji, dies in Japan at 65
- Aug 26 Ottokar II, King of Bohemia (1253-78), dies in battle