|Ab urbe condita||1963|
|Balinese saka calendar||1131–1132|
|English Regnal year||11 Joh. 1 – 12 Joh. 1|
|Chinese calendar||己巳年 (Earth Snake)|
3906 or 3846
— to —
庚午年 (Metal Horse)
3907 or 3847
|- Vikram Samvat||1266–1267|
|- Shaka Samvat||1131–1132|
|- Kali Yuga||4310–4311|
|Japanese calendar||Jōgen (Kamakura period) 4|
|Minguo calendar||702 before ROC|
|Thai solar calendar||1752–1753|
1336 or 955 or 183
— to —
1337 or 956 or 184
|Wikimedia Commons has media related to 1210.|
- Emperor Juntoku succeeds Emperor Tsuchimikado, on the throne of Japan.
- Jochi, eldest son of Genghis Khan, leads a Mongol campaign against the Kyrgyz.
- May – The Second Parliament of Ravennika is held at Ravennika in Central Greece, resulting in a concordat between the princes of Frankish Greece and the Roman Catholic clergy.
- July 18 – Battle of Gestilren: Former king Sverker II of Sweden is defeated and killed, by the reigning king Erik X.
- November 18 – Otto IV, Holy Roman Emperor is excommunicated by Pope Innocent III, for invading southern Italy in defiance of the Concordat of Worms.
- November 21 – King Eric X of Sweden is crowned, which is the first known coronation of a Swedish king. Shortly thereafter, he marries the Danish princess Richeza, in order to strengthen his relationship to the Danish king Valdemar the Conqueror. Valdemar used to support King Sverker II, but through the marriage, Valdemar makes peace with his former enemy, Eric.
- King John I of England raises £100,000 from church property as an extraordinary fiscal levy; the operation is described as an “inestimable and incomparable exaction” by contemporary sources.
- Livonian Crusade – Battle of Ümera: Estonian forces defeat the Livonian Brothers of the Sword.
- The citadel of the Acrocorinth in Greece surrenders to the Crusaders, after a five-year siege.
Arts and cultureEdit
- Gottfried von Strassburg writes his epic poem Tristan (approximate date).
- 1210–1211 – Shazi creates the Pen Box, from Persia (Iran) or Afghanistan (it is now kept at Freer Gallery of Art, Smithsonian Institution, Washington, D.C.).
- Pope Innocent III gives oral permission to Francis of Assisi, to begin the Order of Friars Minor.
- The church of St Helen's Bishopsgate in the City of London is founded, as a priory of Benedictine nuns.
- July 17 – Sverker the Younger, king of Sweden 1196–1208 (b. in the 1160s) (in the Battle of Gestilren)
- date unknown
- Ferris, Eleanor (1902). "The Financial Relations of the Knights Templars to the English Crown". American Historical Review. 8 (1).
- Elizabeth Ewan, ed. (2006). The biographical dictionary of Scottish women : from the earliest times to 2004 (Reprinted ed.). Edinburgh: Edinburgh Univ. Press. p. 400. ISBN 0-7486-1713-2.