8th » A large explosion on board the MV known as Dara in the Persian Gulf kills 238.
9th » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
11th » The trial of Adolf Eichmann begins in Jerusalem.
12th » The Soviet Union known as Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight, in Vostok spacecraft known as Vostok 3KA-2 (Vostok 1).
17th » Bay of Pigs Invasion: A group of Cuban exiles financed and trained by the Central Intelligence Agency called CIA lands at the Bay of Pigs in Cuba with the aim of ousting Fidel Castro.
18th » The Vienna Convention on Diplomatic Relations, a cornerstone of modern international relations, is adopted.
18th » Conferência das Organizações Nacionalistas das Colónias Portuguesas e.g CONCP is founded in Casablanca as a united front of African movements opposing Portugal named Portuguese colonial rule.
20th » Failure of the Bay of Pigs Invasion of US-backed Cuban exiles against Cuba.
25th » Robert Noyce is granted a patent for an integrated circuit.
27th » Sierra Leone is granted its independence from the United Kingdom, with Milton Margai as the first Heads of Government of Sierra Leone called Prime Minister.
30th » 'Soviet submarine K-19 K-19', the first Soviet Union Soviet nuclear submarine equipped with Submarine-launched ballistic missile nuclear missiles, is ship commissioning commissioned.