Suggestions by @adrianpintado

Portuguese Empire

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

Aztec Empire

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

IRA (Irish Republican Army)

as Most Evil Deceased Organizations in Most Evil Deceased Criminals and Individuals in History

Islamic State (ISIS)

as Most Evil Deceased Organizations in Most Evil Deceased Criminals and Individuals in History

Al-Qaeda

as Most Evil Deceased Organizations in Most Evil Deceased Criminals and Individuals in History

Boxer movement

as Most Evil Deceased Organizations in Most Evil Deceased Criminals and Individuals in History

Confederate States of America

as Worst Historical Country in Best & Worst Countries

Confederate States of America

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

Ottoman Empire

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

Democratic Kampuchea

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

Congo Free State

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

German Empire

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

French Empire

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

Spanish Empire

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

Empire of Japan

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

Soviet Union

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

Nazi Germany

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

British Empire

as Most Evil Deceased Countries in Most Evil Deceased Criminals and Individuals in History

Roscoe Arbuckle

as Most Evil Deceased Con-Artist in Most Evil Deceased Criminals and Individuals in History

Julius Caesar

as The Best/Greatest People in History in The Best and Worst People in Human History.