1211

1211 (MCCXI) was a common year starting on Saturday of the Julian calendar, the 1211th year of the Common Era (CE) and Anno Domini (AD) designations, the 211th year of the 2nd millennium, the 11th year of the 13th century, and the 2nd year of the 1210s decade. As of the start of 1211, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

1211 in other calendars

Gregorian calendar	1211 MCCXI
Ab urbe condita	1964
Armenian calendar	660 ԹՎ ՈԿ
Assyrian calendar	5961
Balinese saka calendar	1132–1133
Bengali calendar	618
Berber calendar	2161
English Regnal year	12 Joh. 1 – 13 Joh. 1
Buddhist calendar	1755
Burmese calendar	573
Byzantine calendar	6719–6720
Chinese calendar	庚午年 (Metal Horse) 3907 or 3847     — to — 辛未年 (Metal Goat) 3908 or 3848
Coptic calendar	927–928
Discordian calendar	2377
Ethiopian calendar	1203–1204
Hebrew calendar	4971–4972
Hindu calendars
- Vikram Samvat	1267–1268
- Shaka Samvat	1132–1133
- Kali Yuga	4311–4312
Holocene calendar	11211
Igbo calendar	211–212
Iranian calendar	589–590
Islamic calendar	607–608
Japanese calendar	Jōgen (Kamakura period) 5 / Kenryaku 1 (建暦元年)
Javanese calendar	1119–1120
Julian calendar	1211 MCCXI
Korean calendar	3544
Minguo calendar	701 before ROC 民前701年
Nanakshahi calendar	−257
Thai solar calendar	1753–1754
Tibetan calendar	ལྕགས་ཕོ་རྟ་ལོ་ (male Iron-Horse) 1337 or 956 or 184     — to — ལྕགས་མོ་ལུག་ལོ་ (female Iron-Sheep) 1338 or 957 or 185

Events

• The oldest extant double entry bookkeeping record dates from 1211
• Canons regular of the Order of the Holy Cross founded September 14 1211
• Troops led by Estonian resistance fighter Lembitu of Lehola destroy a garrison of missionaries in the historical Estonian region of Sakala and raid the Russian town of Pskov.
• Mongol forces under Genghis Khan invade Jin China, aiming at this stage simply to loot the countryside. A Chinese army is defeated and slaughtered at the Battle of the Badger's Mouth near Zhangjiakou and another is beaten at Mukden, where the city is taken. Beijing is also besieged by the Mongol hordes.
• Church at the French city of Reims burns down; soon after, construction begins on the cathedral, Notre Dame de Reims.

Births

• Ibn Khallikan, Muslim scholar

Deaths

• August 9 – William de Braose, 4th Lord of Bramber

Monarchs/Presidents

• France – Philippe II, Auguste King of France (reigned from 1180 to 1223)
• Mongol Empire – Genghis Khan, Mongol Khan (from 1206 to 1227)
• Venice – Pietro Ziani Doge of Venice (ruled from 1205 to 1229)