Original sentence: Russian military memoirists and historians of the 18th–19th centuries, such as Faddey Bulgarin, Denis Davydov and Platon Zhukovich, believed the Russian troops slaughtered thousands of Polish civilians to avenge the massacre of over two thousand unarmed Russian soldiers occupying Warsaw by armed Polish mobs during the Warsaw Uprising of 1794, when 2,265 men, of Russian military servicemen stationed in Warsaw were massacred by armed Polish mobs, who played a major role in the attack, and soldiers and cut with spikes and axes in what historian Norman Davies described as "an orgy of killing"
Edited sentence: Russian military memoirists and historians of the 18th–19th centuries, such as Faddey Bulgarin, Denis Davydov and Platon Zhukovich, believed the Russian troops slaughtered thousands of Polish civilians to avenge the alleged massacre of over two thousand unarmed Russian soldiers occupying Warsaw by armed Polish mobs during the Warsaw Uprising of 1794, when 2,265 men, of Russian military servicemen stationed in Warsaw were massacred by armed Polish mobs, who played a major role in the attack, and soldiers and cut with spikes and axes in what historian Norman Davies described as "an orgy of killing"