- 1287
Events
Europe
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January 17 - The Treaty of San Agayz is signed. KingAlfonso III of Aragon conquers the island ofMinorca from theMoors .
*December 14 - A fringing barrier between theNorth Sea and a shallow lake inHolland collapses during a heavy storm, causing the fifth largest flood in recorded history which creates theZuider Zee inlet and kills over 50,000 people; it also gives sea access toAmsterdam , allowing its development as an important port city.
* The English city of Old Winchelsea onRomney Marsh is destroyed by catastrophic flooding during a severe storm; a new town of the same name is later constructed some two miles away on higher ground.
* The Altar of St. James at the Cathedral of San Zeno inPistoia ,Italy — a masterwork of thesilversmith ing trade containing nearly a ton ofsilver — is begun; it will not be completed for nearly 200 years.
* KingEdward I of England arrests the heads ofJew ish households, and demands their communities pay hefty ransoms for their release.
* Construction on the Cathedral of Uppsala is begun; it will not be completed until1435 .
* The MongolGolden Horde , led by khanTalabuga andNogai Khan , attacksPoland for the fourth time.Lublin ,Mazovia ,Sandomierz andSieradz are ravaged by the invaders, who are defeated inKraków .
* The Bruntal coat of arms makes its first appearance.Asia
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Mamluk sultanQalawun captures the port city ofLatakia in present-daySyria .
* Mongol Ilkhan Arghun Khan dispatchesRabban Bar Sauma to the leaders ofEurope to negotiate an alliance against theMuslim states, specifically theMamluk sultanate ofEgypt .
* KingsMengrai of theLanna kingdom andRamkhamhaeng the Great of theSukhothai kingdom agree to a peace pact in their region of southeastAsia (present-dayThailand ).
*Battle of Pagan : TheTheravada Buddhist kingdom atPagan, Myanmar falls to the invadingMongol Empire .Births
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January 24 -Richard Aungerville , English writer and bishop (d.1345 )
*April 25 -Roger Mortimer, 1st Earl of March , de facto ruler of England (d.1330 )
*Robert III of Artois Deaths
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April 3 -Pope Honorius IV
*August 31 -Konrad von Würzburg , German poet
*October 19 -Bohemund VII of Tripoli
*Llywelyn ap Dafydd , a Welsh prince (in his prison at Bristol Castle)
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