WHAT ALL HAPPENED MARCH TO APRIL 1961
Find out what all happened March to April 1961

The Twenty-third Amendment to the United States Constitution is ratified, allowing residents of Washington, D.C., to vote in presidential elections. (29. March 1961)

South Africa withdraws from the Commonwealth of Nations. (15. March 1961)

Failure of the Bay of Pigs Invasion of US-backed Cuban exiles against Cuba. (20. April 1961)

The Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight, in Vostok 3KA-2 (Vostok 1). (12. April 1961)

Algiers putsch by French generals. (23. April 1961)

Bay of Pigs Invasion: A group of Cuban exiles financed and trained by the CIA lands at the Bay of Pigs in Cuba with the aim of ousting Fidel Castro. (17. April 1961)

Robert Noyce is granted a patent for an integrated circuit. (25. April 1961)

Sputnik 9 successfully launches, carrying a human dummy nicknamed Ivan Ivanovich, and demonstrating that Soviet Union was ready to begin human spaceflight. (9. March 1961)

The trial of Adolf Eichmann begins in Jerusalem. (11. April 1961)

First Winter Ascent of the Eiger north face. (12. March 1961)

American President John F. Kennedy establishes the Peace Corps. (1. March 1961)

A large explosion on board the MV Dara in the Persian Gulf kills 238. (8. April 1961)

The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations. (9. April 1961)

K-19, the first Soviet nuclear submarine equipped with nuclear missiles, is commissioned. (30. April 1961)

The Leadbeater's Possum is rediscovered in Australia after 72 years. (3. April 1961)

CONCP is founded in Casablanca as a united front of African movements opposing Portuguese colonial rule. (18. April 1961)

Uganda becomes self-governing and holds its first elections. (1. March 1961)

Sierra Leone is granted its independence from the United Kingdom, with Milton Margai as the first Prime Minister. (27. April 1961)

The Vienna Convention on Diplomatic Relations, a cornerstone of modern international relations, is adopted. (18. April 1961)

The Single Convention on Narcotic Drugs is signed in New York City. (30. March 1961)