4: Haile Selassie
Haile Selassie was a member of the Solomonic Dynasty. Selassie served Ethiopia as its regent from 1916 to 1930 and as its emperor from 1930 to 1974. He fended off an invasion by Italy. In 1936, at the League of Nations, he condemned the use of chemical weapons by Italy against his people during the second Italo-Ethiopian War.
Haile Selassie played a major role in starting the Organization Of African Unity.