1952 1953 1954 - 1955 - 1956 1957 1958
1920s 1930s 1940s - 1950s - 1960s 1970s 1980s
Events of 1955
- January 2 - José Antonio Remón Cantera, president of Panama, is assassinated at a race track in Panama City.
- January 18 - January 20 - Battle of Yijiangshan Islands: The Chinese Communist People's Liberation Army seizes the islands from the Republic of China (Taiwan).
- January 22 - The Pentagon announces a plan to develop ICBMs (intercontinental ballistic missiles) armed with nuclear weapons.
- January 25 - The Presidium of the Supreme Soviet of the Soviet Union announces the end of the war between the USSR and Germany, which began during World War II in 1941.
- January 28 - The United States Congress authorizes President Dwight D. Eisenhower to use force to protect Formosa from the People's Republic of China.
- February 10 - The Seventh Fleet of the United States Navy helps the Republic of China evacuate Chinese Nationalist army and residents from the Tachen Islands to Taiwan.
- February 12 - U.S. President Dwight D. Eisenhower sends the first U.S. advisors to South Vietnam.
- April 5 - Winston Churchill resigns as Prime Minister of the United Kingdom.
- April 6 - Anthony Eden becomes Prime Minister of the United Kingdom.
- April 11 - The Taiwanese Kuomintang sabotages the "Kashmir Princess", killing 16 but failing to assassinate People's Republic of China leader Zhou Enlai.
- April 12 - The Salk polio vaccine is introduced.
- April 16 - The Burma-Japanese peace treaty signed in Rangoon on November 5, 1954 comes into force, formally ending the state of war.
- April 17 - Imre Nagy, Premier of Hungary, is ousted for being too moderate.
- May 5 - West Germany becomes a sovereign state.
- May 9 - West Germany joins the North Atlantic Treaty Organization (NATO).
- May 14 - Eight communist bloc countries, including the Soviet Union, sign a mutual defence treaty called the Warsaw Pact.
- May 19 - The Austrian State Treaty, which restores Austria's sovereignty, is concluded between the four occupying powers of World War II and Austria.
- June 11 - 1955 Le Mans disaster: Eighty-three are killed and at least 100 are injured after an Austin-Healey and a Mercedes-Benz collide.
- June 13 - Mir Mine, the first diamond mine of the USSR, is discovered.
- July 17 - Disneyland opens in Anaheim, California.
- July 18 - The first atomic-generated electrical power is sold commercially, powering Arco, Idaho.
- July 18 - Illinois's Governor William Stratton signs the Loyalty Oath Act, that mandates all public employees take a loyalty oath or lose their jobs.
- July 18 - The Geneva Summit between the US, USSR, UK, and France begins.
- July 23 - The Geneva Summit between the US, USSR, UK, and France ends.
- July 27 - El Al Flight 402 from Vienna to Tel Aviv-Yafo via Istanbul is shot down over Bulgaria. All passengers and crew aboard the Lockheed Constellation are killed.
- August 19 - Hurricane Diane hits the northeast United States, killing 200 and causing over $1 billion in damage.
- August 20 - Hundreds are killed in anti-French rioting in Morocco and Algeria.
- August 25 - The last Soviet forces leave Austria.
- September 6 - Istanbul Pogrom: Istanbul's Greek minority is the target of a government-sponsored pogrom.
- September 19 - President of Argentina Juan Peron is ousted in a military coup.
- September 19 - Hurricane Hilda kills 200 in Mexico.
- September 24 - U.S. President Dwight D. Eisenhower suffers a coronary thrombosis while on vacation in Denver.
- October 20 - Cardiff is proclaimed as the capital city of Wales, United Kingdom.
- October 26 - After the last Allied troops have left the country and following the provisions of the Austrian Independence Treaty, Austria declares its permanent neutrality.
- October 26 - Ngo Dinh Diem proclaims Vietnam a republic with himself as president.
- November 1 - A time bomb explodes in the cargo hold of United Airlines Flight 629, a Douglas DC-6B airliner flying above Longmont, Colorado, killing all 39 passengers and 5 crew members on board the aircraft.
- November 3 - The five-and-a-half-mile Rimutaka Railway tunnel opens in New Zealand.
- November 5 - Racial segregation is forbidden on trains and buses in U.S. interstate commerce.
- November 23 - The Cocos Islands are transferred from the control of the United Kingdom to Australia.
- December 1 - Rosa Parks is arrested for refusing to give up her seat on the bus to a white person, and the national civil rights movement begins.
- December 5 - The American Federation of Labor and the Congress of Industrial Organizations merge to become the AFL-CIO.
- December 14 - Bulgaria joins the United Nations.
- December 22 - American cytogeneticist Joe Hin Tjio discovers the correct number of human chromosomes.
- February 22 - David Axelrod, American political consultant
- August 4 - Alberto Gonzales, American U.S. Attorney General
- October 19 - Gary Yarbrough, former member of The Order