Battle of the Kalka River
Rus' first clash with the Mongols ends in a crushing defeat

On 31 May 1223 the Mongol generals Jebe and Subutai crushed a combined army of Rus' princes and Cumans. It was the first clash between Rus' and the Mongols; many princes, including Mstislav of Kiev, were killed.
Wikipedia (Russian) · Wikipedia (English) · 13th century
Did you know
Eight years after Magna Carta, the princes of Rus first met the Mongols and were crushed on the Kalka River.
Meanwhile around the world (±25 years)
Europe
- 1202 Fibonacci's Liber Abaci — 21 years earlier
- 1204 Sack of Constantinople — 19 years earlier
- 1215 Magna Carta — 8 years earlier
Asia
- 1206 Temüjin proclaimed Genghis Khan — 17 years earlier
- 1206 Founding of the Delhi Sultanate — 17 years earlier
Alive at the time
- Genghis Khan (aged 61)
- Kublai Khan (aged 8)
- Alexander Nevsky (aged 2)
- Philip II Augustus (aged 58)
- Francis of Assisi (aged 41)
- Frederick II (aged 29)
- Rumi (aged 16)
- Saint Louis (Louis IX) (aged 9)
- Sundiata Keita (aged 6)
- Rudolf I (aged 5)