Fidel Castro (August 13, 1926 – November 25, 2016)

Portrait of Fidel Castro in New York in 1955, during an interview.

Television and the Kennedy presidency

April 3, 1960: Sen. John F. Kennedy, Democratic presidential nominee, sits next to a playback of his televised appearance in Milwaukee, Wis. for the Wisconsin presidential primary two days later.

The life and death of John F. Kennedy

Following are photos of the life and death of President John F. Kennedy, 35th President of the United States, who was assassinated on Nov. 22, 1963.

AP PHOTOS: Adoring crowds greet pope in nation's capital

President Barack Obama and first lady Michelle Obama greet Pope Francis upon his arrival for state arrival ceremony, Wednesday, Sept. 23, 2015, on the South Lawn of the White House in Washington.    

George H. W. Bush

George Herbert Walker Bush is pictured when he was one and a half year old. Born 12 June 1924 in Milton, Massachussetts, George Bush yale graduated with a degree in Economics in 1948, made a fortune drilling oil before entering politics in 1964.  

U.S. President Barack Obama

A shopkeeper puts thread in a kite with photographs of Indian Prime Minister Narendra Modi, left, and U.S. President Barack Obama for sale at a shop in Mumbai, India, Friday, Jan 23, 2015. Obama will be the chief guest during this year's parade which will be held on Jan. 26.