March 10 – The Fairey Delta 2 breaks the World Air Speed Record, raising it to 1,132 mph (1,822 km/h) or Mach 1.73, an increase of some 300 mph (480 km/h) over the previous record, and thus becoming the first aircraft to exceed 1,000 mph (1,600 km/h) in level flight.
April 14 – Videotape is first demonstrated at the 1956 NARTB (modern-day NAB) convention in Chicago, United States, by Ampex. It is the demonstration of the first practical and commercially successful videotape format known as 2" Quadruplex.[5]
May 24 – The first Eurovision Song Contest is broadcast from Lugano, Switzerland. The winning song is the host country's Refrain by Lys Assia (music by Géo Voumard, lyrics by Émile Gardaz).
June 4 – Montgomery bus boycott: The related civil suit[8] is heard in federal district court; the U.S. Supreme Court will uphold the ruling in November.
June 6 – In Singapore, chief minister David Marshall resigns a little over a year into his chief ministership, after the breakdown of talks regarding internal self-government in London.
Poznań 1956 protests: Labour riots in Poznań, Poland, are crushed with heavy loss of life. Soviet troops fire at a crowd protesting high prices, killing 53 people.
The film version of Rodgers and Hammerstein's The King and I, starring Deborah Kerr and Yul Brynner, is released only a few months after the film version of R&H's Carousel. It becomes the most financially successful film version of a Rodgers and Hammerstein musical up to this time, and the only one to win an acting Oscar (Yul Brynner wins Best Actor for his performance as the King of Siam). It is also one of two Rodgers and Hammerstein films to be nominated for Best Picture (which it does not win).
July 25 – The Italian ocean liner SS Andrea Doria sinks after colliding with the Swedish ship SS Stockholm in heavy fog 72 kilometers (45 mi) south of Nantucket island, killing 51.
Cricket: Jim Laker sets an extraordinary record at Old Trafford in the fourth Test between England and Australia, taking 19 wickets in a first class match (the previous best was 17).
August 7 – Seven ammunition trucks loaded with 1,053 boxes of dynamite explode in Cali, Colombia. Death estimates range from 1,300 to 10,000, in a city that at this time has 120,000 inhabitants.[13]
October 19 – The Soviet–Japanese Joint Declaration of 1956 is signed in Moscow, ending the legal state of war between the Soviet Union and Japan (with effect from December 12) and making possible the restoration of diplomatic relations between the two nations.[17]
The film Oklahoma! (1955), previously released to select cities in Todd-AO, now receives a U.S. national release in CinemaScope, since not all theatres are yet equipped for Todd-AO. To accomplish this, the film has actually been shot twice, rather than printing one version in two different film processes, as is later done.
MGM's film The Wizard of Oz is the first major Hollywood film running more than 90 minutes to be televised uncut in one evening, in the United States.
November 4 – Hungarian Revolution of 1956: More Soviet troops invade Hungary, to crush the revolt that started on October 23. Thousands are killed, more are wounded, and nearly a quarter million leave the country.
November 7 – Suez Crisis: The United Nations General Assembly adopts a resolution calling for the United Kingdom, France and Israel to withdraw their troops from Arab lands immediately.
^Royal Television Society Journal, Volume 18, Issues 7–12. 1981. pp. 14–15.
^"The Big Week in Monaco: Movies' Pretty Princess Assumes a Real Life Title". Life. Vol. 40, no. 18. April 30, 1956. p. 37. ISSN 0024-3019. 'I'm halfway married,' she exclaimed after the first wedding, a 16-minute civil ceremony in his crimson-damasked throne
^"Mercury: The Tragedy of Minamata Disease". Collaborative for Health & Environment. Retrieved September 27, 2025.
^"Browder v. Gayle, 142 F. Supp. 707 (M.D. Ala. 1956)". Justia US law. Retrieved June 23, 2020.
^"7H241 The Snooz-Alarm". www.telechron.net.
^"US Army Flag". World Flags 101. Archived from the original on April 8, 2009. Retrieved April 6, 2009.
^"National Interstate and Defense Highways Act (1956)". National Archives. September 29, 2021. Retrieved September 12, 2025.
^"Stadiums". Russian Football News. July 13, 2013. Archived from the original on July 29, 2013. Retrieved January 19, 2018.
^"La Explosión de Cali: Agosto 7 de 1956". Revista Credencial (in Spanish). September 16, 2016. Retrieved March 21, 2019.
^Ramesa, Rafael. "How the inter-faith 'spirit of Toumliline' lives on 50 years after Moroccan monastery closed". Capacity4dev. European Union. Retrieved December 18, 2023.
^"Domestic Grosses, Adjusted for Ticket Price Inflation". Box Office Mojo. Retrieved January 11, 2013.
^"1956: Queen switches on nuclear power". On This Day. BBC. October 17, 1956. Retrieved January 23, 2019.
^"Preface". Ministry of Foreign Affairs of Japan. Retrieved April 2, 2023.
^Black, Ian (July 11, 2005). "Secrets and lies at the heart of Britain's Middle Eastern folly". The Guardian. London. Retrieved May 27, 2012.
^Lendvai, Paul (2008). One Day That Shook the Communist World: The 1956 Hungarian Uprising and Its Legacy. Princeton University Press.
^Stevens, William K. (November 14, 1976). "Superhighway System, in 20 Years, Has Tied a Vast Nation Together". The New York Times. p. 1.
^""We Will Bury You!"". Time. November 26, 1956. Archived from the original on January 24, 2007. Retrieved November 18, 2022.
^"1956: Motorists panic as petrol rations loom". On This Day. BBC. November 29, 1956. Retrieved January 23, 2019.
^"Cinema: BB". Time. November 11, 1957. Retrieved December 3, 2024.
^"Брезвін Анатолій Іванович". Лівий берег [uk] [Left Bank] (in Ukrainian). Kyiv, Ukraine: Київський інститут проблем управління імені Горшеніна [uk] [Gorshenin Institute]. December 14, 2016. Retrieved August 24, 2024.
^"Imelda Staunton". BFI. Archived from the original on March 11, 2016. Retrieved June 10, 2022.
^"Susan Solomon". Pontifical Academy of Sciences. Retrieved November 11, 2024.
^Janssen, Sarah (December 4, 2013). World Almanac and Book of Facts 2014. Simon and Schuster. ISBN978-1-60057-183-1.
^"Dalia Grybauskaite". Britannica Presents 100 Women Trailblazers. February 25, 2020. Retrieved July 29, 2021.
^Innes, Lyn (February 15, 2019). "Andrea Levy obituary". The Guardian. Retrieved February 15, 2019.
^Mainville, Michael (December 16, 2009). "Yegor Gaidar obituary". the Guardian. Retrieved July 29, 2021.
^Siegman, Joseph (August 1, 2020). Jewish Sports Legends: The International Jewish Sports Hall of Fame. U of Nebraska Press. ISBN978-1-4962-0188-1.
^The Luxembourg Grand Ducal Family (Grand Duchy of Luxembourg Ministry of State, Press and Information Service, 1986), p. 26
^"Muere El Risitas, Juan Joya Borja, víctima de una larga enfermedad". La Vanguardia (in Spanish). April 28, 2021. Retrieved March 6, 2024.
^"Christopher Darden 1957–". encyclopedia.com. Archived from the original on April 3, 2019. Retrieved December 13, 2023.
^"Sharon Jones, Powerhouse Soul Singer, Dies at 60". The New York Times. November 19, 2016.
^Чхартишвили, Григорий. Collection of materials by Lenta.ru (in Russian). Retrieved November 26, 2009.
^Hayward, Tim (June 9, 2018). "Anthony Bourdain obituary". The Guardian. Retrieved June 4, 2021.
^Miller, John Jackson (June 10, 2005). "Comics Industry Birthdays". Comics Buyer's Guide. Iola, Wisconsin. Archived from the original on February 18, 2011.
^"Lord Sebastian Coe". International Olympic Committee. Archived from the original on May 31, 2021. Retrieved February 29, 2020.
^Ryan Gilbey (December 27, 2016). "Carrie Fisher obituary". The Guardian. Retrieved February 25, 2024.
^Former Zambian President Lungu dies aged 68
^"Peter de Vries, award-winning Dutch investigative journalist renowned for his probes into the criminal underworld – obituary". The Telegraph. July 15, 2021. Retrieved November 11, 2024.
^Probst, Ernst (2010). Angelika Machinek – Eine Segelfliegerin der Weltklasse [Angelika Machinek – A World Class Glider Pilot] (in German). Munich: Grin-Verl. p. 11. ISBN978-3-640-73630-0.
^"Boeing, William Edward (1881–1956)". www.historylink.org. Retrieved October 28, 2022.
^"Charles E. Merrill | American businessman | Britannica". www.britannica.com. October 15, 2023.
^Times, Special to The New York Times The New York (November 7, 1956). "A.F. NUFER DEAD; U.S. DIPLOMAT, 62; Ambassador to Philippines Had Served in Argentina During Peron Regime Headed European Branch". The New York Times. ISSN 0362-4331. Retrieved February 1, 2025.
^"Obituary for Harry F. Sinclair (Aged 80)". The Daily Advertiser. November 11, 1956. p. 4.
^"André Marty". Spartacus Educational.
^Caloyanni, Emmanuel (2001). "René Couzinet from glory to decline". Translated by Leveillard, Mike. Aérostories. Archived from the original on July 7, 2012. Retrieved December 16, 2022.
^Carmaker Preston Tucker dies
^"These Nobel Prize Winners Weren't Always Noble". National Geographic News. October 6, 2015. Archived from the original on August 8, 2020. Retrieved January 19, 2021.
London Institute of World Affairs, The Year Book of World Affairs 1957 (London 1957) full text online, comprehensive reference book covering 1956 in diplomacy, international affairs and politics for major nations and regions