WHAT ALL HAPPENED APRIL TO MAY 1959
Find out what all happened April to May 1959

The St. Lawrence Seaway, linking the North American Great Lakes and the Atlantic Ocean, officially opens to shipping. (25. April 1959)

Project Mercury: NASA announces the selection of the United States' first seven astronauts, whom the news media quickly dub the "Mercury Seven". (9. April 1959)

The North Vietnamese Army establishes Group 559, whose responsibility is to determine how to maintain supply lines to South Vietnam; the resulting route is the Ho Chi Minh trail. (19. May 1959)

Iakovos is enthroned as Greek Orthodox Archbishop of America. (1. April 1959)

The Organization of American States drafts an agreement to create the Inter-American Development Bank. (8. April 1959)

A team of computer manufacturers, users, and university people led by Grace Hopper meets to discuss the creation of a new programming language that would be called COBOL. (8. April 1959)

Launch of the National Liberation Committee of Côte d'Ivoire in Conakry, Guinea. (18. May 1959)

The Auckland Harbour Bridge, crossing the Waitemata Harbour in Auckland, New Zealand, is officially opened by Governor-General Charles Lyttelton, 10th Viscount Cobham. (30. May 1959)

The 1st Grammy Awards are held. (4. May 1959)

Akihito, future Emperor of Japan, marries Michiko. (10. April 1959)