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Siege of Opochka | |||||||
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Part of Fourth Muscovite–Lithuanian War | |||||||
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Belligerents | |||||||
Grand Duchy of Lithuania Kingdom of Poland | Grand Duchy of Moscow | ||||||
Commanders and leaders | |||||||
Konstanty Ostrogski Janusz Świerczowski Jerzy Radziwiłł |
Vasily Morozov-Saltykov Fyodor Lopata Telepnev-Obolensky Ivan Lacki | ||||||
Strength | |||||||
14,000[citation needed] | Unknown[citation needed] | ||||||
Casualties and losses | |||||||
About 5,500[citation needed] | Unknown[citation needed] |
The siege of Opochka was an unsuccessful attempt by the Grand Duchy of Lithuania and the Kingdom of Poland to conquer the Russian fortress of Opochka during the Fourth Muscovite–Lithuanian War.