WHAT ALL HAPPENED APRIL TO OCTOBER 1955
Find out what all happened April to October 1955

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

Film star James Dean dies in a road accident aged 24. (30. September 1955)

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

In a futile effort to topple President Juan Perón, rogue aircraft pilots of the Argentine Navy drop several bombs upon an unarmed crowd demonstrating in favor of Perón in Buenos Aires, killing 364 and injuring at least 800. At the same time on the ground, some forces soldiers attempt to stage a coup but are suppressed by loyal forces. (16. June 1955)

McDonald's restaurant dates its founding to the opening of a franchised restaurant by Ray Kroc, in Des Plaines, Illinois (15. April 1955)

After the last Allied troops have left the country and following the provisions of the Austrian Independence Treaty, Austria declares permanent neutrality. (26. October 1955)

Lux Radio Theater signed off the air permanently. The show launched in New York in 1934, and featured radio adaptations of Broadway shows and popular films. (7. June 1955)

Ngô Đình Diệm declares himself Premier of South Vietnam. (26. October 1955)

The military coup to unseat President Juan Perón of Argentina is launched at midnight. (16. September 1955)

Black teenager Emmett Till is brutally murdered in Mississippi, galvanizing the nascent American Civil Rights Movement. (28. August 1955)

Winston Churchill resigns as Prime Minister of the United Kingdom amid indications of failing health. (7. April 1955)

In the Northeast United States, severe flooding caused by Hurricane Diane, claims 200 lives. (19. August 1955)

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

A Soviet Navy Zulu class submarine becomes the first submarine to launch a ballistic missile. (16. September 1955)

The American Civil Liberties Union announces it will defend Allen Ginsberg's book Howl against obscenity charges. (3. April 1955)

The Canadian Labour Congress is formed by the merger of the Trades and Labour Congress of Canada and the Canadian Congress of Labour. (23. April 1955)

Disneyland Hotel opens to the public in Anaheim, California. (5. October 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 Soviet battleship Novorossiysk strikes a World War II mine in the harbor at Sevastopol. (29. October 1955)