Under the 1582 Truce of Jam Zapolski , which ended Process_end the war Hostile_encounter between Russia and Poland–Lithuania , Russia lost Earnings_and_losses all its former holdings in Livonia and Polotsk to Poland–Lithuania .

The Siege of Polotsk ( , ) was a siege by forces of the Polish–Lithuanian Commonwealth under Stefan Bathory on the Russian-held city of Polotsk .

The Siege of Polotsk ( , ) was a siege by forces of the Polish–Lithuanian Commonwealth under Stefan Bathory on the Russian-held city of Polotsk .

Polotsk had been captured Conquering and heavily fortified Cause_change_of_strength by the Russians under Ivan the Terrible in 1563 because the river Dwina , which led to Causation the key city of Riga , flowed Motion through it .

Hungarian soldiers , led by Caspar Bekes , Polish soldiers , led by Mikolaj Mielecki , and Lithuanian soldiers , led by Mikolaj Radziwill , converged Come_together at the Dzisna fortress , joined Becoming_a_member Bathory 's men , and moved Motion on to Polotsk , with a total force of about 42,000 .

Polotsk had three fortresses : the central one , nearby Strelec fortress and the walled town of Zapolochie .

The Russians defended Defending Polotsk with trenches and artillery , but after the Hungarian contingent captured Conquering Zapolochie , the Russians surrendered Surrendering .