Years: 1275 1276 1277 - 1278 - 1279 1280 1281

Decades: 1240s 1250s 1260s - 1270s - 1280s 1290s 1300s

Centuries: 12th century - 13th century - 14th century 1278 state leaders

Events

• August 26 - Ladislaus IV of Hungary and Rudolph I of Germany defeat the Bohemians in the Battle of Marchfield.
• A pareage establishes joint Spanish/French suzerainty in Andorra.
• John Peckham succeeds Richard Kilwardby as archbishop of Canterbury, Kilwardby being appointed as a cardinal-bishop in Italy.
• Llywelyn the Last marries Eleanor de Montfort after making concessions to Edward I of England.
• The Chapel of St Leonard of Blakemore in Buckinghamshire is founded by the Bishop of Lincoln.
• Wenceslaus II becomes king of Bohemia.
• Charles I of Sicily inherits Principality of Achaea.
• Zhao Bing succeeds Zhao Shi as emperor of China.
• Ramkhamhaeng becomes ruler of the Sukhothai kingdom in Thailand.
• Deal, Kent is named a Cinque Port.
• Iserlohn receives city rights.

Births

• Hojo Sadaaki, Japanese regent († 1333)
• Blanche, daughter of Philip III of France († 1305)

Deaths

• August 26 - Otakar II of Bohemia (in battle)
• Nawawi, Arab writer
• Nicola Pisano, Italian sculptor
• February 10 - Margaret II, countess of Flanders

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