The Battle of Kay was a battle fought on July 23, 1759 during the Seven Years' War. A Prussian army of 28,000 men fought a Russian army of 47,000 men. The Prussians lost 8,300 men, the Russians lost less than 5,000 men.
In the east, at the Battle of Zorndorf in Prussia, a Prussian army of 35,000 men under Frederick fought to a standstill with a Russian army of 43,000 commanded by Count Fermor.
At the Battle of Kay, or Paltzig, the Russian Count Saltykov with 70,000 Russians defeated 26,000 Prussian troops commanded by General von Wedel.
The final major battle between Prussia and Austria was the Battle of Freiberg, fought on 29 October 1762.