Births on April 15

Bobby Pepper, American journalist

8 Jan

Mona Lisa
Leonardo da Vinci's Mona Lisa is exhibited in the United States for the first time, at the National Gallery of Art in Washington, D.C.
8 Feb

John F. Kennedy
Travel, financial and commercial transactions by United States citizens to Cuba are made illegal by the John F. Kennedy administration.
21 Apr

Bahá'í Faith
The first election of the Universal House of Justice is held, marking its establishment as the supreme governing institution of the Bahá'í Faith.
7 Oct

Partial Nuclear Test Ban Treaty
John F. Kennedy signs the ratification of the Partial Nuclear Test Ban Treaty.
22 Nov

Assassination of John F. Kennedy
U.S. President John F. Kennedy is assassinated and Texas Governor John Connally is seriously wounded by Lee Harvey Oswald