1280

Years: 1277 1278 1279 - 1280 - 1281 1282 1283
Decades: 1250s 1260s 1270s - 1280s - 1290s 1300s 1310s
Centuries: 12th century - 13th century - 14th century

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.
The Egyptian city of Al Mansurah is founded.
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.

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