Complex sentence: In 1775 after numerous attacks on Serbian colonisers the Russian Empress Catherine the Great had Grigory Potemkin disband the Zaporozhian Host via a bloodless operation carried out by General Pyotr Tekeli.
Split into simpler sentences: In 1775 after numerous attacks on Serbian colonisers the Russian Empress Catherine the Great had Grigory Potemkin destroy the Zaporozhian Host. The operation carried out by General Pyotr Tekeli.