Crimean invasion of Russia (1521)

Invasion of Muscovy
	Part of Russo-Crimean Wars
	; Tatar invasion of Russia in 1521
Date	1521
Location	Moscow, Principality of Moscow
Result	Crimean coalition victory; Vasili III of Russia signs a treaty formalising his status as a tributary of the Crimean Khanate; Khan lost the Vasily's charter and Muscovy got rid of its tributary status;
Belligerents
Crimean Khanate; Ottoman Empire; Zaporozhian Cossacks; Grand Duchy of Lithuania; Nogai Horde; Khanate of Kazan; Circassians	Principality of Moscow
Commanders and leaders
Mehmed I Giray; Suleiman I; Ostap Dashkevych; Sahib I Giray	Vasily III; Ivan Andreevich Sheremetyev †; Vladimir Mikhailovich Karamyshev-Kurbsky †; Yuri Mikhailovich Zamyatnin †; Yakov Mikhailovich Zamyatnin †; Fyodor Vasilyevich Lopata-Obolensky (POW); Ivan Khabar-Simsky
Units involved
100,000; Modern sources:; 30,000–35,000 20,000–25,000; 300;	35,000–40,000 or 50,000
Casualties and losses
Unknown	Heavy; ~30,000 enslaved

The Invasion of Muscovy occurred in the year 1521. The invasion of Muscovy was led by Mehmed I Giray of the Crimean Khanate, a vassal of the Ottoman Empire.