WHAT ALL HAPPENED MAY TO DECEMBER 1955
Find out what all happened May to December 1955

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

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

Disneyland Hotel opens to the public in Anaheim, California. (5. October 1955)

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

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

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

First ascent of Kangchenjunga (8,586 m.), the third-highest mountain in the world, by a British expedition led by Charles Evans. Joe Brown and George Band reached the summit on May 25, followed by Norman Hardie and Tony Streather the next day. (25. May 1955)

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

Tokyo Telecommunications Engineering, the precursor to Sony, sells its first transistor radios in Japan. (7. August 1955)

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

In the United States, a night-time F5 tornado strikes the small city of Udall, Kansas, killing 80 and injuring 273. It is the deadliest tornado to ever occur in the state and the 23rd deadliest in the U.S. (25. May 1955)

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

E.D. Nixon and Rosa Parks lead the Montgomery Bus Boycott. (5. December 1955)

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

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

American Civil Rights Movement: In Montgomery, Alabama, seamstress Rosa Parks refuses to give up her bus seat to a white man and is arrested for violating the city's racial segregation laws, an incident which leads to the Montgomery Bus Boycott. (1. December 1955)

After being destroyed in World War II, the rebuilt Vienna State Opera reopens with a performance of Beethoven's Fidelio. (5. November 1955)

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