1954

June 9 - McCarthyism: Joseph Welch, special counsel for the United States Army, lashes out at Senator Joseph McCarthy during hearings on whether Communism has infiltrated the Army
June 14- Flag day, the words "under God" added to the pledge of allegiance
June 15 - UEFA (the Union des Associations Europ�ennes de Football) is formed in Basle, Switzerland.
June 18 - Pierre Mendes-France becomes prime minister of France
June 19 - The last regular-service streetcar operated by Twin City Rapid Transit runs in Minneapolis.
June 27 - Guatemalan President Jacobo Arbenz Guzm�n steps down in a CIA-sponsored military coup–Operation PBSUCCESS–triggering a bloody civil war that would continue for more than 35 years.
June 27 - The world's first atomic power station opened at Obnisnsk, near Moscow.
July 3 - End of rationing of meat ends all the food rationing in Britain
July 7 - In Memphis, Tennessee, WHBQ becomes the first radio station to air an Elvis Presley record
July 21 - First Indochina War: The Geneva Conference partitions Vietnam into North Vietnam and South Vietnam
July 28 - Foundation of the Situationist International.
July 31 - First ascent of K2, by an Italian expedition.

August - First flight of a B-52 Stratofortress.
August 6 - Emilie Dionne, one of the Dionne Quintuplets, dies of asphyxiation following a epileptic seizure at Sainte Agathe, Quebec.
August 16 - Volume 1, Issue 1 of Sports Illustrated is published
August 24 - President of Brazil, Getulio Vargas, commits suicide; he's been accused of conspiracy to murder an air force officer.
September 3 - The last new episode of the Lone Ranger is aired on radio after 2,956 episodes over a period of 21 years
September 8 - The Southeast Asia Treaty Organization (SEATO) is established in Bangkok, Thailand
September 9 - An earthquake centered on the city of Oleansville in Algeria - 1500 dead and thousands homeless
September 11 - First Miss America Pageant broadcast on television
September 14 - USSR tests nuclear weapon
September 30 - USS Nautilus, 1st atomic-powered vessel (submarine), commissioned by the US Navy
October 11 - Vietnam War: The Viet Minh takes control of North Vietnam.
October 18 - Texas Instruments announces the worldwide first Transistor radio.
October 26 � Member of Muslim Brotherhood Abdul Munim Abdul Rauf tries to kill Gamal Abdal Nasser
October 31 - Algerian War of Independence: The Algerian National Liberation Front begins a revolt against French rule.

November - The main immigration port-of-entry in New York Harbor at Ellis Island closes.
November 3 - The first in the Godzilla series of films is released in Japan.
November 10 - US President Dwight D. Eisenhower dedicates the USMC War Memorial

November 13 - Don Estes invents the disrupter (a part to help combines work)
November 30 - In Sylacauga, Alabama, a 4 kg meteorite crashes through the roof of a house and hits Ann Hodges, badly bruising her, in the first documented case of an object from outer space hitting a person.
December 2 - Red Scare: The United States Senate votes 67 to 22 to condemn Joseph McCarthy for "conduct that tends to bring the Senate into dishonor and disrepute."
December 24 - Laos becomes independent.

Undated

Battle of Dien Bien Phu between French and Viet Minh forces in Indochina
Boy Scouts of America desegregates on the basis of race
Stop signs are changed from black-on-yellow to white-on-red
Gerbils (Meriones Unguiculatus), brought to the United States by Dr. Victor Schwentker.
Unification Church founded.