Siege of Opochka
Part of Fourth Muscovite–Lithuanian War
Date 20 September - 18 October 1517[citation needed] Location Opochka fortress 56°42′43″N 28°39′23″E / 56.71194°N 28.65639°E / 56.71194; 28.65639 Result Russian victory[1]
Belligerents
Grand Duchy of Lithuania Kingdom of Poland	Grand Duchy of Moscow
Commanders and leaders
Konstanty Ostrogski Janusz Świerczowski [pl] Jerzy Radziwiłł	Vasily Morozov-Saltykov Fyodor Lopata Telepnev-Obolensky [ru] Ivan Lacki [ru]
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.

References[edit]