May 22 - The Treaty of Hamburg takes Sweden out of the war against Prussia.
June 24 - Battle of Wilhelmstal. The Anglo-Hanoverian army of Ferdinand of Brunswick defeats the French forces in Westphalia. The British commander Lord Granby distinguishes himself.
July 9 - Catherine II becomes empress of Russia upon the deposition of her husband Peter III. The incipient Russo-Prussian alliance falls apart, but Russia does not rejoin the war.