Events
Europe
★
July 2 - Kings
Otakar II of Bohemia and
Stephen V of Hungary sign the first
Peace of Pressburg, settling territorial claims following the failed invasion of
Hungary by Otakar II.
★
September 1 -
Pope Gregory X succeeds
Pope Clement IV as the 184th
pope as the compromise candidate between
French and
Italian cardinals, ending a three-year
conclave, the longest ever.
★ The County of
Toulouse is returned to the crown of
France.
★
Marco Polo departs from
Venice with his father and uncle on his famous journey to
Kublai Khan's
China.
★ The construction of
Caerphilly Castle, the largest in
Wales, is completed.
★ Construction of the
Belaya Vezha in
Belarus is begun.
North Africa and the Middle East

Baibars captured the Krak des Chevaliers in Syria from the Knights Hospitaller in 1271.
★
April 8 -
Mamluk sultan
Baibars continues his territorial expansion, capturing the strategically important castle
Krak des Chevaliers from the
Knights Hospitaller in present-day
Syria.
★
Mamluk sultan
Baibars conducts an unsuccessful siege of the city of
Tripoli, and also fails in an attempted naval invasion of
Cyprus.
★
Edward I of England and
Charles of Anjou arrive in
Acre, starting the
Ninth Crusade against
Baibars; however, they are unable to capture any territory and a peace is quickly negotiated.
Asia
★
September 12 - According to the followers of
Nichiren Buddhism, the sect's founder,
Nichiren, reaches a turning point known as ''hosshaku kempon'' as he discards his identity as a mortal priest and begins to reveal himself as a reincarnation of the
Buddha.
★
December 18 -
Kublai Khan renames his empire "Yuan" (元 yuán), officially marking the start of the
Yuan Dynasty of
China.
★ The
Nakhi kingdom of the northern
Himalayan foothills is annexed by the
Yuan Dynasty.
Births
★ May -
Joan of Acre, daughter of King
Edward I of England (died
1307)
★
September 8 -
Charles Martel d'Anjou, son of
Charles II of Naples (died
1295)
★
September 17 - King
Wenceslaus II of Bohemia and Poland (died
1305)
★
November 5 -
Mahmud Ghazan, Mongol ruler (died
1304)
★
★
Emperor Bing of Song (died
1279)
★
★
Elizabeth of Aragon, queen of
Denis of Portugal (died
1336)
★
★
Mikhail Yaroslavich, Grand Prince of Vladimir (died
1318)
★
★ Duke
Rudolph II of Austria (died
1290)
Deaths
★
January 18 -
Saint Margaret of Hungary (born
1242)
★
January 28 -
Isabella of Aragon, queen of
Philip III of France (born
1247)
★
March 13 -
Henry of Almain, English crusader (born
1235)
★
August 21 -
Alphonse of Toulouse, son of
Louis VIII of France (born
1220)
★
September 9 -
Yaroslav of Tver, Grand Duke of Vladimir
★
October 27 -
Hugh IV, Duke of Burgundy, French crusader (born
1213)
★
Hajji Bektash Wali, Turkish mystic (born
1209)
★
Richard de Grey, Lord Warden of the Cinque Ports
★
Baraq, khan
★
Walter de Burgh, 1st Earl of Ulster (born
1220)