Births on April 4

Christos Tsekos, Greek basketball player

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10 Mar

Buddhist Uprising
Military Prime Minister of South Vietnam Nguyễn Cao Kỳ sacked rival General Nguyễn Chánh Thi, precipitating large-scale civil and military dissension in parts of the nation.
6 Jul

Hastings Banda
Malawi becomes a republic, with Hastings Banda as its first President.
10 Jul

Martin Luther King, Jr.
The Chicago Freedom Movement, led by Martin Luther King, Jr., holds a rally at Soldier Field in Chicago. As many as 60,000 people attend.
14 Oct

Montreal Metro
The city of Montreal begins the operation of its underground Montreal Metro rapid transit system.
8 Nov

Reconstruction Era
Former Massachusetts Attorney General Edward Brooke becomes the first African American elected to the United States Senate since Reconstruction.