born Oct. 5, 1737, Lyutkino, Tver province, Russia
died Jan. 5, 1808, Moscow
Russian military officer.
He became an officer in the Russian guards and adviser to his brother Count Grigory G. Orlov , with whom he planned the overthrow of Peter III (1762) and the installation of Catherine II as empress. Promoted to major general, he was given command of the Russian fleet in the Russo-Turkish War .