The Battle of Wisniowiec (also known as the Battle of Lopuszno) took place on 28 April 1512.
The combined PolishâÂÂLithuanian forces under Grand Crown Hetman Mikoà Âaj Kamieniecki and Grand Lithuanian Hetman Konstanty Ostrogski defeated the raid of the Crimean Tatars. The battle was fought in Lopushne near Wisniowiec.