1284

Years: 1281 1282 1283 - 1284 - 1285 1286 1287
Decades: 1250s 1260s 1270s - 1280s - 1290s 1300s 1310s
Centuries: 12th century - 13th century - 14th century 1284 state leaders

Events

King Charles II of Naples is captured in a naval battle off Naples by Roger of Lauria, admiral to King Peter III of Aragon.
The Statute of Rhuddlan is created, formally incorporating Wales into England in the entity England and Wales.
The Italian city-state of Genoa defeats its rival Pisa in the naval Battle of Meloria, ending Pisa's marine power and hastening the city's decline in power.
Stefan Dragutin, king of Serbia, receives Belgrade, Syrmia, and other territories from Hungary when his son marries the king of Hungary's cousin.
Mamluk sultan of Egypt Qalawun signs a ten-year truce with the Crusader city of Acre; he will violate the truce on pretexts in 1290.

The German city of Hamburg is destroyed by a fire.
Peterhouse, the oldest college at the University of Cambridge, is founded by Hugo de Balsham.
The Republic of Venice begins coining the ducat, a gold coin that is to become the standard of European coinage for the following 600 years.
Construction on the Cathédrale Saint-Pierre de Beauvais is interrupted by a partial collapse of the choir; the event unnerves French masons working in the Gothic style.
Jean de Meun translates Vegetius' 4th century military treatise De Re Militari from Latin into French.

June 26 - According to legend, the Pied Piper of Hamelin visits the German town of Hamelin and leads 130 children to their deaths, as told in the tales of the Brothers Grimm and many others.af:1284