Great Stand on the Ugra river: Standoff between forces of Akhmat Khan, Khan of the Great Horde and Ivan III, Grand Prince of all Rus. Ends with a Tatar-Mongol retreat, leading to the disintegration of the Horde.
Day of the Week: Monday
How Long Ago? 541 years, 8 months and 18 days
Leap Year: Yes
Star Sign: Libra