WHAT ALL HAPPENED MARCH TO JULY 1955
Find out what all happened March to July 1955

The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective. (12. April 1955)

Cold War: West Germany joins NATO. (9. May 1955)

Eighteen Nobel laureates sign the Mainau Declaration against nuclear weapons, later co-signed by thirty-four others. (15. July 1955)

Operation Passage to Freedom, the evacuation of 310,000 Vietnamese civilians, soldiers and non-Vietnamese members of the French Army from communist North Vietnam to South Vietnam following the end of the First Indochina War, ends. (18. May 1955)

Cold War: Eight Communist bloc countries, including the Soviet Union, sign a mutual defense treaty called the Warsaw Pact. (14. May 1955)

The USSR and Yugoslavia sign the Belgrade declaration and thus normalize relations between both countries, discontinued since 1948. (2. June 1955)

The Russell–Einstein Manifesto is released by Bertrand Russell in London, England, United Kingdom. (9. July 1955)

29 nations meet at Bandung, Indonesia, for the first Asian-African Conference. (18. April 1955)

Austria regains its independence as the Allied occupation following World War II ends. (12. May 1955)

The Allied occupation of Austria stemming from World War II, ends. (27. July 1955)

The Air India Kashmir Princess is bombed and crashes in a failed assassination attempt on Zhou Enlai by the Kuomintang. (11. April 1955)

The Union Mundial pro Interlingua is founded at the first Interlingua congress in Tours, France. (28. July 1955)

Nineteen days after bus workers went on strike in Singapore, rioting breaks out and seriously impacts Singapore's bid for independence. (12. May 1955)

The South African Congress Alliance adopts the Freedom Charter at the Congress of the People in Kliptown. (26. June 1955)

Disneyland is dedicated and opened by Walt Disney in Anaheim, California. (17. July 1955)

Eighty-three spectators are killed and at least 100 are injured after an Austin-Healey and a Mercedes-Benz collide at the 24 Hours of Le Mans, the deadliest ever accident in motorsports. (11. June 1955)

King Norodom Sihanouk of Cambodia abdicates the throne in favor of his father, King Norodom Suramarit. (2. March 1955)

West Germany gains full sovereignty. (5. May 1955)

Tennessee Williams wins the Pulitzer Prize for Drama for Cat on a Hot Tin Roof. (2. May 1955)

Mir Mine, the first diamond mine in the USSR, is discovered. (13. June 1955)