April 25 – King Sancho IV (the Brave) dies of a fatal illness (possibly tuberculosis), after a 11-year reign at Toledo. He is succeeded by his 9-year-old son Ferdinand IV (the Summoned) as ruler of Castile and León. In the Cortes at Valladolid, Henry of Castile (the Senator) is appointed guardian of Ferdinand, while Queen María de Molina becomes his regent. During the summer, Ferdinand is betrothed to the 5-year-old Princess Constance of Portugal. Hostilities between Castile and King Denis I (the Poet King) are ended by a peace agreement.[1]
June 26 – Przemysł II is crowned king of Poland at Gniezno, the first coronation of a Polish ruler in 219 years. Przemysł travels to Pomerelia where he confirms the privileges of the monasteries in Oliwa and Żarnowiec. He also visits other major cities: Gdańsk, Tczew and Świecie. In August, Przemysł returns to Greater Poland but in October he travels again to Gdańsk.[4]
July 22 – War of Curzola: Genoese raids on the Venetian quarter in Constantinople leads to a formal declaration of war with the Republic of Venice. A Venetian fleet (some 40 war galleys) attacks Galata, the quarter of the Genoese merchants. Emperor Andronikos II (Palaiologos) arrests surviving Venetians in the capital and joins the war with the Republic of Genoa.[5]
Marco Polo returns to Venice after 24 years of travel in China. When the Polos arrive, Venice is engaged in a naval war with the rival city of Genoa. Marco joins the war and arms a galley equipped with a trebuchet.[6]
November 13 – King Edward I (Longshanks) summons the Model Parliament to Westminster, the composition of which serves as a model for later parliaments. The parliament agrees that a tax can be raised to allow him to launch campaigns against France and the rebellious Scots for the forthcoming year.[9]
^O'Callaghan, Joseph F. (2011). The Gibraltar Crusade: Castile and the Battle for the Strait, p. 111. ISBN978-0-8122-2302-6.
^Williams, Hywel (2005). Cassell's Chronology of World History, p. 151. London: Weidenfeld & Nicolson. ISBN0-304-35730-8.
^Housley, Norman (1982). The Italian Crusades: The Papal-Angevin Alliance and the Crusades against Christian Lay Powers, 1254–1343, p. 93. Clarendon Press. ISBN0-19-821925-3.
^Brzezinski, Richard (1998). History of Poland – Poland Divided, p. 23. ISBN83-7212-019-6.
^Madden, Thomas (2012). Venice: A New History, p. 181. Penguin Group. ISBN9780147509802.
^Nicol, Donald M (1992). Byzantium and Venice: a study in diplomatic and cultural relations, p. 219. Cambridge, UK: Cambridge University Press. ISBN978-0-521-42894-1.
^Armstrong, Pete (2003). Osprey: Stirling Bridge & Falkirk 1297–98, p. 15. ISBN1-84176-510-4.
^Jones, Craig Owen (2008). Compact History of Welsh Heroes: The Revolt of Madog ap Llywelyn, p. 166. Publisher: Llygad Gwalch Cyf. ISBN9781845240752.
^Pounds, N. J. G. (1994). The Medieval Castle in England and Wales: A Social and Political History, p. 147. Cambridge, UK: Cambridge University Press. ISBN978-0-521-45099-7.