The Battle of the Sit River was fought in the northern part of the present-day Yaroslavl Oblast of Russia on March 4, 1238 between the Mongol Hordes of Batu Khan and the Russians under Yuri II of Vladimir-Suzdal during the Mongol invasion of Russia. After the Mongols captured his capital of Vladimir, Yuri fled across the Volga northward, to Yaroslavl, where he hastily mustered an army. His forces were completely exterminated, however, and Yuri II died in the battle, which inaugurated two centuries of the Mongol domination of Russia. March 4 is the 63rd day of the year in the Gregorian Calendar (64th in leap years). ... Events In the Iberian peninsula, James I of Aragon captures the city of Valencia September 28 from the Moors; the Moors retreat to Granada. ... Yaroslavl Oblast (Яросла́вская о́бласть) is located in the Central Federal District of Russia, surrounded by the Tver, Moscow, Ivanovo, Vladimir, Kostroma, and Vologda Oblasts. ... Vladimir-Suzdal Principality, Vladimir-Suzdal Rus (Владимирско-Суздальская Русь), or Vladimir-Suzdal Grand Duchy (Влади́миро-Су́здальское кня́жество) was one of major principalities within the Kievan Rus and after its collapse. ... Batu Khan (Russian: Batyi, Батый) (c. ... Yuriy II (Юрий II), also known as Georgy II of Vladimir or Georgy II Vsevolodovich (1189 - 1238), was the 4th Grand Prince of Vladimir (1212-16, 1218-38) who presided over Vladimir-Suzdal at the time of the Mongol invasion of Russia. ... Yaroslavl Oblast (Яросла́вская о́бласть) is located in the Central Federal District of Russia, surrounded by the Tver, Moscow, Ivanovo, Vladimir, Kostroma, and Vologda Oblasts. ... March 4 is the 63rd day of the year in the Gregorian Calendar (64th in leap years). ... Events In the Iberian peninsula, James I of Aragon captures the city of Valencia September 28 from the Moors; the Moors retreat to Granada. ... Batu Khan (Russian: Batyi, Батый) (c. ... Yuriy II (Юрий II), also known as Georgy II of Vladimir or Georgy II Vsevolodovich (1189 - 1238), was the 4th Grand Prince of Vladimir (1212-16, 1218-38) who presided over Vladimir-Suzdal at the time of the Mongol invasion of Russia. ... Vladimir-Suzdal Principality, Vladimir-Suzdal Rus (Владимирско-Суздальская Русь), or Vladimir-Suzdal Grand Duchy (Влади́миро-Су́здальское кня́жество) was one of major principalities within the Kievan Rus and after its collapse. ... The Mongol Invasion of Russia was an invasion of the medieval state of Kievan Rus by a large army of nomadic Mongols, starting in 1223. ... Population 358,000 (census 2004) Time zone Moscow: UTC+3 Latitude/Longitude 56°09′ N 40°25′ E Vladimir (Влади́мир) is a city in Russia, administrative center of Vladimir Oblast. ... For other meanings of the word Volga see Volga (disambiguation) Волга Length 3,690 km Elevation of the source 225 m Average discharge  ? m³/s Area watershed 1. ... Yaroslavl (Russian: ) is a city in Russia, an administrative center of Yaroslavl Oblast, located 250 km NE of Moscow at 57°37′ N 39°51′ E The historical part of the city is located at confluence of Volga and Kotorosl. ...