1280

Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1250s 1260s 1270s – 1280s – 1290s 1300s 1310s
Years:	1277 1278 1279 – 1280 – 1281 1282 1283

1280 by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishments and disestablishments categories
Establishments – Disestablishments
Art and literature
1280 in poetry

Events

Construction on the northern section of the Grand Canal of China is begun.
The final expansion of the Lincoln Cathedral is completed.
King Magnus I of Sweden founds a Swedish nobility by enacting a law accepting a contribution of a cavalry-member in lieu of ordinary tax payments.
King Edward I of England forms the Court of King's Bench to hear petitions for justice instead of the king hearing them himself.
The Wolf minimum of solar activity begins (approximate date).
The Asen dynasty of tsars of Bulgaria ends.
Syria attempts to secede from the Mamluk sultanate of Egypt, but Qalawun defeats the rebels and keeps Syria within the Egyptian sultanate.
The second of two main surveys of the Hundred Rolls, an English census seen as a follow up to the Domesday Book completed in 1086, is completed; it began in 1279.
Turin is conquered by Thomas III of Savoy, becoming the capital of the House of Savoy.
Osman starts to rule.