From Infogalactic: the planetary knowledge core
|Centuries:||12th century – 13th century – 14th century|
|Decades:||1240s 1250s 1260s – 1270s – 1280s 1290s 1300s|
|Years:||1268 1269 1270 – 1271 – 1272 1273 1274|
|1271 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1271 in poetry|
|Ab urbe condita||2024|
|English Regnal year||55 Hen. 3 – 56 Hen. 3|
|Chinese calendar||庚午年 (Metal Horse)
3967 or 3907
— to —
辛未年 (Metal Goat)
3968 or 3908
|- Vikram Samvat||1327–1328|
|- Shaka Samvat||1193–1194|
|- Kali Yuga||4372–4373|
|Japanese calendar||Bun'ei 8
|Minguo calendar||641 before ROC
|Thai solar calendar||1813–1814|
|Wikimedia Commons has media related to 1271.|
- 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 3-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
- 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.
- September 12 – Nichiren was nearly beheaded. This incident, known as Hosshaku Kempon or "casting off the transient and revealing the true,", is regarded as a turning point of Nichiren’s teachings within the various schools known as Nichiren Buddhism.
- 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.
- September 8 – Charles Martel d'Anjou, son of Charles II of Naples (d. 1295)
- September 17 – King Wenceslaus II of Bohemia and Poland (d. 1305)
- November 5 – Mahmud Ghazan, Mongol ruler (d. 1304)
- Emperor Bing of Song (d. 1279)
- Elizabeth of Aragon, queen of Denis of Portugal (d. 1336)
- Mikhail Yaroslavich, Grand Prince of Vladimir (d. 1318)
- Duke Rudolph II of Austria (d. 1290)
- January 18 – Saint Margaret of Hungary (b. 1242)
- January 28 – Isabella of Aragon, queen of Philip III of France (b. 1247)
- March 13 – Henry of Almain, English crusader (b. 1235)
- July 28 – Walter de Burgh, 1st Earl of Ulster (b. 1220)
- August 21 – Alphonse of Toulouse, son of Louis VIII of France (b. 1220)
- September 9 – Yaroslav of Tver, Grand Duke of Vladimir
- Haji Bektash Veli, Khorasanian mystic (b. 1209)
- Richard de Grey, Lord Warden of the Cinque Ports
- Baraq, khan of the Chagatai Khanate