    thumb|construction of the uppsala cathedral begins. __notoc__ year 1287 (mcclxxxvii) was a common year starting on wednesday (link will display the full calendar) of the julian calendar. == events == === by place === ====africa==== * the aragonese navy raids the tunisian kerkennah islands. ==== asia ==== * april 4 &ndash; wareru creates the hanthawaddy kingdom in modern-day lower burma. * december &ndash; battle of pagan: the theravada buddhist pagan kingdom (in modern-day myanmar) falls to the invading armies of the yuan dynasty. * kings mangrai of the lanna kingdom and ram khamhaeng of the sukhothai kingdom agree to a peace pact in their region of southeast asia (present-day thailand). * mamluk sultan al mansur qalawun captures the port city of latakia in present-day syria. * mongol ilkhan arghun dispatches rabban bar sauma to the leaders of europe to negotiate an alliance against the muslim states, specifically the mamluk sultanate of egypt. * chinese painter wang mian born. ==== europe ==== * january 17 &ndash; the treaty of san agayz is signed. king alfonso iii of aragon conquers the island of minorca from the moors. * february &ndash; south england flood, affecting the cinque ports of england: a storm surge destroys the town of old winchelsea on romney marsh and nearby broomhill. the course of the nearby river rother is diverted away from new romney, which is almost destroyed, ending its role as a port, with the rother running instead to the sea at rye, whose prospects as a port are enhanced. a cliff collapses at hastings, ending its role as a trade harbour and demolishing part of hastings castle. new winchelsea is established on higher ground. * june 8 &ndash; rhys ap maredudd revolts in wales; the revolt will not be suppressed until 1288. * december 14 &ndash; a huge storm and associated storm tide in the north sea and english channel, known as st. lucia's flood in the netherlands, kills thousands and reshapes the coastline of the netherlands and england. **in the netherlands, a fringing barrier between the north sea and a shallow lake collapses, causing the fifth largest flood in recorded history whi
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