Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1250s  1260s  1270s  – 1280s –  1290s  1300s  1310s
Years:	1282 1283 1284 – 1285 – 1286 1287 1288

1285 by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishments and disestablishments categories

Establishments – Disestablishments v • d • e

Art and literature

1285 in poetry v • d • e

1285 in other calendars

Gregorian calendar	1285 MCCLXXXV
Ab urbe condita	2038
Armenian calendar	734 ԹՎ ՉԼԴ
Bahá'í calendar	-559 – -558
Bengali calendar	692
Berber calendar	2235
Buddhist calendar	1829
Burmese calendar	647
Byzantine calendar	6793 – 6794
Chinese calendar	甲申年十一月廿五日 (3921/3981-11-25) — to — 乙酉年十二月初五日 (3922/3982-12-5)
Coptic calendar	1001 – 1002
Ethiopian calendar	1277 – 1278
Hebrew calendar	5045 – 5046
Hindu calendars
- Vikram Samvat	1340 – 1341
- Shaka Samvat	1207 – 1208
- Kali Yuga	4386 – 4387
Holocene calendar	11285
Iranian calendar	663 – 664
Islamic calendar	683 – 684
Japanese calendar
Korean calendar	3618
Thai solar calendar	1828
v • d • e

Events

• January 6 – Archbishop Jakub Świnka orders all priests subject to his bishopry in Poland to deliver sermons in Polish rather than German, thus further unifying the Catholic Church in Poland and fostering a national identity.
• April 2 – Pope Honorius IV succeeds Pope Martin IV as the 190th pope.
• April 25 – Mamluk sultan Qalawun begins a siege of the Crusader fortress of Margat (in present-day Syria), a major stronghold of the Knights Hospitaller thought to be impregnable; he captures the fortress a month later.
• September 4 – Roger of Lauria defeats King Philip III of France in a naval battle off of Barcelona.
• The writ Circumspecte Agatis, issued by King Edward I of England, defines the jurisdictions of church and state in England, thereby limiting the church's judicial powers to ecclesiastical cases only.
• The Second Statute of Westminster is passed in England, reforming various laws; it includes the famous clause de donis conditionalibus, considered one of the fundamental institutes of medieval law in England.
• The English romantic poem The Lay of Havelok the Dane is written (approximate date).
• Tran Hung Dao leads Vietnamese forces in victory over an invading Mongol army of the Yuan dynasty.
• Mansa Sakura usurps the throne of the Mali Empire

Births

• March 9 – Emperor Go-Nijo of Japan (d. 1308)
• May 1 – Edmund FitzAlan, 9th Earl of Arundel, English politician (d. 1326)
• December 6 – King Ferdinand IV of Castile (d. 1312)
• Al-Nasr Muhammad, sultan of Egypt (d. 1341)
• Ziauddin Barani, historian and political thinker of the Delhi Sultanate (d. 1357)
• Patrick Dunbar, 9th Earl of Dunbar (d. 1369)

Deaths

• March 24 – Daumantas, Grand Prince of Lithuania
• March 28 – Pope Martin IV
• May 13 – Robert de Ros, 1st Baron de Ros
• May 20 – John II of Jerusalem, King of Cyprus (b. 1259)
• October 5 – King Philip III of France (b. 1245)
• November 11 – King Peter III of Aragon (b. 1239)
• Tile Kolup, German imposter of Frederick II, Holy Roman Emperor
• Philip I of Savoy (b. 1207)
• Rutebeuf, French troubadour
• King Charles I of Sicily (b. 1227)