Indeed, not comprehensive: - Mao Zedong's Great Leap Forward 35M-45M - Mao Zedong's Great Proletarian Cultural Revolution - 3M-10M - Joseph Stalin's collecti

Indeed, not comprehensive: - Mao Zedong's Great Leap Forward 35M-45M - Mao Zedong's Great Proletarian Cultural Revolution - 3M-10M - Joseph Stalin's collectivisation 5M-7M - Joseph Stalin's Holodomor 5M+ - Joseph Stalin's Goloshchekin genocide (Kazakhstan) - 1.3M-1.75M - Pol Pot's Khmer Rouge - 1.3M-3M - Islamic (Mughal) invasion(s) of India - 100M+ - Mongol conquests - 30M+ There are of course many more. Did you use Wikipedia to get that list?