1556

1552-1556 Kazan Rebellion. The civilian population of Kazan was massacred, the city occupied.

• 1552-1556 Wars with Mari people, Udmurts, Bashkirs, Chuvash people and Volga Tatars

• 1554-1556 Ivan the Terrible conquers Astrakhan

• 1554–1557 The Russo-Swedish War of 1554–1557, considered a prelude to the Livonian War of 1558–1583, arose out of border skirmishes. It ended when the parties agreed on a truce in the Treaty of Novgorod (1557).

• 1556-1559 Black Sea coast wars

• Muscovy conquered and annexed the Astrakhan Khanate.

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