13th January » First Indochina War: The Battle of Vinh Yen begins, which will end in a major victory for France.
15th January » Ilse Koch, "The Witch of Buchenwald", wife of the commandant of the Buchenwald concentration camp, is sentenced to life imprisonment by a court in West Germany.
27th January » Nuclear testing at the Nevada Test Site begins with a one-kiloton bomb dropped on Frenchman Flat.
6th February » 'The Broker', a Pennsylvania Railroad passenger train Woodbridge train wreck e.g derails near Woodbridge Township, New Jersey. The accident kills 85 people and injures over 500 more. The wreck is one of the worst rail disasters in American history.
7th February » Korean War: 705 suspected communist sympathizers Sancheong-Hamyang massacre called are butchered by Republic of Korea Army or South Korean forces.
13th February » Korean War: Battle of Chipyong-ni, which represented the "high-water mark" of the Chinese incursion into South Korea, commences.
25th February » The first Pan American Games are held in Buenos Aires, Argentina.
27th February » The Twenty-second Amendment to the United States Constitution, limiting President of the United States or Presidents to two terms, is ratified.
6th March » The trial of Ethel and Julius Rosenberg begins.
14th March » Korean War: For the second time, United Nations troops recapture Seoul.
20th March » Fujiyoshida, a city located in Yamanashi Prefecture, Japan, in the center of the Japanese main island of Honshū is founded.
28th March » First Indochina War: In the Battle of Mao Khe, French Union forces, led by World War II hero Jean de Lattre de Tassigny, inflict a defeat on Việt Minh forces commanded by General Võ Nguyên Giáp.
29th March » Ethel and Julius Rosenberg are convicted of conspiracy to commit espionage.
31st March » Remington Rand delivers the first UNIVAC I computer to the United States Census Bureau.
5th April » Ethel and Julius Rosenberg are sentenced to death for espionage named spying for the Soviet Union.
11th April » Korean War: President Harry Truman Dismissal of General Douglas MacArthur named relieves General of the Army (United States) or General of the Army Douglas MacArthur of overall command in Korea.
11th April » The Stone of Scone, the stone upon which Scotland or Scottish monarchs were traditionally crowned, is found on the site of the altar of Arbroath Abbey. It had been taken by Scottish nationalist students from its place in Westminster Abbey.
19th April » General Douglas MacArthur retires from the military.
20th April » Dan Gavriliu performs the first surgical replacement of a human organ.
23rd April » American journalist William N. Oatis is arrested for espionage by the Communist government of Czechoslovakia.
25th April » Korean War: Assaulting Chinese forces are forced to withdraw after heavy fighting with UN forces, primarily made up of Australian and Canadian troops, at the Battle of Kapyong.
3rd May » The United States Senate United States Senate Committee on Armed Services Armed Services and United States Senate Committee on Foreign Relations Foreign Relations Committees begin their closed door hearings into the dismissal of General Douglas MacArthur
13th May » The 400th anniversary of the founding of the National University of San Marcos is commemorated by the opening of the Estadio Universidad San Marcos called first large-capacity stadium in Peru.
14th May » Trains run on the Talyllyn Railway in Wales for the first time since heritage railway known as preservation, making it the first railway in the world to be operated by volunteers.
15th May » The Polish cultural attaché in Paris, Czesław Miłosz, asks the French government for political asylum.
16th May » The first regularly scheduled transatlantic flights begin between Idlewild Airport (now John F Kennedy International Airport) in New York City and Heathrow Airport in London, operated by El Al Israel Airlines.
21st May » The opening of the Ninth Street Show, otherwise known as the 9th Street Art Exhibition a gathering of a number of notable artists, and the stepping-out of the post war New York avant-garde, collectively known as the New York School (art) called New York S
23rd May » Tibetans sign the Seventeen Point Agreement for the Peaceful Liberation of Tibet with China.
28th May » The British radio comedy program 'The Goon Show' was broadcast on the BBC for the first time.
14th June » UNIVAC I is dedicated by the United States Bureau of the Census e.g U.S. Census Bureau.
4th July » A court in Czechoslovak Socialist Republic or Czechoslovakia sentences American journalist William N. Oatis to ten years in prison on charges of espionage.
4th July » William Shockley announced the invention of the Bipolar junction transistor or junction transistor.
10th July » Korean War: Armistice negotiations begin at Kaesong.
16th July » King Leopold III of Belgium abdicates in favor of his son, Baudouin of Belgium called Baudouin I of Belgium.
16th July » 'The Catcher in the Rye' by J. D. Salinger is published for the first time by Little, Brown and Company.
20th July » King Abdullah I of Jordan is assassinated by a Palestinian while attending Friday prayers in Jerusalem.
22nd July » Dezik (Дезик) and Tsygan (Цыган, "Gypsy") are the Soviet space dogs e.g first dogs to make a sub-orbital flight.
1st September » The United States, Australia and New Zealand sign a mutual defense pact, called the ANZUS Treaty.
3rd September » The first long-running American television soap opera, 'Search for Tomorrow', airs its first episode on the CBS network.
4th September » The first live transcontinental television broadcast takes place in San Francisco, from the Japanese Peace Treaty Conference.
8th September » Treaty of San Francisco: In San Francisco, California, 48 nations sign a peace treaty with Japan in formal recognition of the end of the Pacific War.
28th September » CBS makes the first color televisions available for sale to the general public, but the product is discontinued less than a month later.
29th September » The first live sporting event seen coast-to-coast in the United States, a college American football or football game between Duke University called Duke and the University of Pittsburgh, is televised on NBC.
15th October » Mexican chemist Luis E. Miramontes conducts the very last step of the first synthesis of norethisterone, the progestin that would later be used in one of the first three combined oral contraceptive pill or oral contraceptives.
15th October » The first episode of 'I Love Lucy', an American television sitcom starring Lucille Ball, Desi Arnaz, Vivian Vance, and William Frawley, airs on the Columbia Broadcasting System (CBS).
16th October » The first Prime Minister of Pakistan, Liaquat Ali Khan, is assassination known as assassinated in Rawalpindi.
20th October » The "Johnny Bright Incident" occurs in Stillwater, Oklahoma called Stillwater, Oklahoma
2nd November » Korean War: A small platoon of 28 Canadian soldiers defend a vital area against an entire battalion of 800 Chinese troops in the Battle of the Song-gok Spur. The engagement lasts into the early hours of November 3.
10th November » With the rollout of the North American Numbering Plan, direct-dial coast-to-coast telephone service begins in the United States.
15th November » Greek resistance leader Nikos Beloyannis, along with 11 resistance members, is sentenced to death by the court-martial.
17th December » The American Civil Rights Congress delivers "We Charge Genocide" to the United Nations.
20th December » The Experimental Breeder Reactor I e.g EBR-1 in Arco, Idaho becomes the first nuclear power called nuclear power plant to generate electricity. The electricity powered four light bulbs.
21st December » Libya became an independent country.
22nd December » The Selangor Labour Party is founded in Selangor, Federation of Malaya or Malaya.
24th December » Libya becomes independent from Italy. Idris of Libya e.g Idris I is proclaimed King of Libya.
31st December » The Marshall Plan expires after distributing more than United States dollar e.g US$13.3 billion in foreign aid to rebuild Europe.