1284

Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1250s 1260s 1270s – 1280s – 1290s 1300s 1310s
Years:	1281 1282 1283 – 1284 – 1285 1286 1287

1284 by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishments and disestablishments categories
Establishments – Disestablishments
Art and literature
1284 in poetry

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.
Battle of Meloria: The Italian city-state of Genoa defeats its rival Pisa, ending Pisa's marine power and hastening the city's decline in power.
King Stefan Dragutin 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 10-year truce with the Crusader city of Acre; he will violate the truce on pretexts in 1290.
The Mongol Golden Horde, led by Nogai Khan, attacks Hungary a second time.
The Kingdom of Germany imposes a trade embargo on Norway, due to the latter pillaging a German ship. The embargo cuts off vital supplies of grain, flour, vegetables and beer, causing a general famine.[1]

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.

IEEE 1284 – A parallel port specification