1255

Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1220s  1230s  1240s  – 1250s –  1260s  1270s  1280s
Years:	1252 1253 1254 – 1255 – 1256 1257 1258

1255 by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishments and disestablishments categories

Establishments – Disestablishments

Art and literature

1255 in poetry

1255 in other calendars

Gregorian calendar	1255 MCCLV
Ab urbe condita	2008
Armenian calendar	704 ԹՎ ՉԴ
Bahá'í calendar	-589 – -588
Bengali calendar	662
Berber calendar	2205
Buddhist calendar	1799
Burmese calendar	617
Byzantine calendar	6763 – 6764
Chinese calendar	甲寅年十一月廿一日 (3891/3951-11-21) — to — 乙卯年十二月初一日 (3892/3952-12-1)
Coptic calendar	971 – 972
Ethiopian calendar	1247 – 1248
Hebrew calendar	5015 – 5016
Hindu calendars
- Bikram Samwat	1311 – 1312
- Shaka Samvat	1177 – 1178
- Kali Yuga	4356 – 4357
Holocene calendar	11255
Iranian calendar	633 – 634
Islamic calendar	652 – 653
Japanese calendar
Korean calendar	3588
Thai solar calendar	1798

Contents 1 Events 1.1 Europe 1.1.1 Western Europe 1.1.2 Central and Eastern Europe 1.2 Asia 2 Births 3 Deaths

Events

Europe

Western Europe

• August – The final Cathar stronghold in southern France falls, eliminating their last refuge since the Roman Catholic Church began the Albigensian Crusade to crush the sect in 1209.
• The death of Little Saint Hugh of Lincoln prompts the persecution of Jews in England, based on the blood libel.
• Lisbon becomes the capital of the Kingdom of Portugal.
• The Gothic cathedral at Bourges, France, is completed. It is now a UNESCO World Heritage Site.
• A survey of royal privileges is conducted, which is included in the Hundred Rolls, an English census seen as a follow up to the Domesday Book completed in 1086; the Hundred Rolls is later completed with two larger surveys in 1274/1275 and 1279/1280.

Central and Eastern Europe

• May – William of Rubruck from Constantinople returns to Cyprus from his missionary journey to convert the Tatars of central and eastern Asia, his efforts having been unsuccessful.
• Königsberg (now Kaliningrad) is founded by the Teutonic Knights in Prussia and named in honour of king Ottokar II of Bohemia.
• Theodore II Lascaris, Byzantine Emperor (in exile in the Empire of Nicaea), conducts a military campaign to recover Thrace from the Bulgarians. He concludes the task successfully a year later in 1256.
• The Duchy of Bavaria is split into Upper and Lower Bavaria.
• The German state of Nassau is divided, not to be reunited until 1806.
• King Béla IV of Hungary grants Banská Bystrica the municipal rights of a royal town.

Asia

• Hulagu Khan is dispatched by his brother Möngke Khan to destroy the remaining Muslim states in southwestern Asia.

Births

• Albert I of Germany, Holy Roman Emperor (d. 1308)
• William de Ros, 2nd Baron de Ros, claimant to the crown of Scotland (d. 1317)
• Duccio di Buoninsegna, Sienese painter (d. 1319)
• Grand Prince Andrey of Gorodets (approximate date; d. 1304)
• Adolf of Nassau-Weilburg, King of the Romans (approximate date; d. 1298)

Deaths

• May 1 – Walter de Gray, English prelate and statesman
• Little Saint Hugh of Lincoln (b. 1247)
• Jarler, Archbishop of Sweden
• Sundiata Keita, semi-historical hero and founder of the Mali Empire (approximate date; b. c. 1190)
• Batu Khan, Mongol ruler and founder of the Blue Horde