Daniel of Galicia crowned King of Rus'
The prince of Galicia–Volhynia takes a royal crown from the pope

Daniel Romanovych, ruler of Galicia–Volhynia, received a crown from Pope Innocent IV's legate at Drohiczyn, with the title King of Rus'. He hoped for Western help against the Mongols, but no crusade came, and Daniel had to submit to the Horde.
Wikipedia (Russian) · Wikipedia (English) · 13th century
Meanwhile around the world (±25 years)
Middle East
- 1258 Mongol sack of Baghdad — 5 years later
Asia
- c. 1251 The Tripitaka Koreana — 2 years earlier
- 1257 Samalas eruption — 4 years later
- 1271 Kublai Khan founds the Yuan dynasty — 18 years later
- 1271–1295 Travels of Marco Polo — 18 years later
Oceania
- c. 1250 The moai of Easter Island — 3 years earlier
Alive at the time
- Kublai Khan (aged 38)
- Alexander Nevsky (aged 32)
- Rumi (aged 46)
- Saint Louis (Louis IX) (aged 39)
- Sundiata Keita (aged 36)
- Rudolf I (aged 35)
- Thomas Aquinas (aged 28)
- Edward I Longshanks (aged 14)
- Henry III (aged 46)
- Conrad IV (aged 25)