- January 3 - Benito Mussolini announces he is taking dictatorial powers over Italy.
- January 5 - Nellie Tayloe Ross becomes the first female governor in the United States.
- January 21 - Albania declares itself a republic
- January 30 - Government of Turkey throws Patriarch Constantine VI out of Istanbul
- February 1 – Ahmet Zogu becomes president of Albania
- February 21 - The New Yorker publishes its first issue.
- March 1 - Earthquake in Charlevoix, Quebec, Canada
- March 1 - [[Edgar Var�se]]'s [[Int�grales]] is premiered in New York City
- March 2 - Male suffrage in Japan
- March 4 - Calvin Coolidge becomes the first President of the United States to have his inauguration broadcasted on radio.
- March 13 - Scopes Trial: A law in Tennessee prohibits the teaching of evolution.
- March 18 - The Tri-State Tornado raked through Missouri, Illinois, and Indiana and killed 695 people.
- March 18 - Two floors of the Madame Tussaud's waxworks in London are destroyed by fire
- May 1 - Cyprus becomes a British crown colony
- May 18 - Trade Union Congress in Britain declares Zinoviev letter a fake
- May 25 - Scopes Trial: John T. Scopes is indicted for teaching Darwin's theory of evolution.
- May 25 - The National Forensics League is founded.
- June 6 - The Chrysler Corporation is founded by Walter Percy Chrysler.
- June 13 - Charles Francis Jenkins achieves the first synchronized transmission of pictures and sound, using 48 lines, and a mechanical system. A 10-minute film of a miniature windmill in motion is sent across 5 miles from Anacostia to Washington, DC. The images were viewed by representatives of the Bureau of Standards, the U.S. Navy, the Commerce Department, and others. Jenkins called this "the first public demonstration of radiovision".
- June 23 - First ascent of Mount Logan, the highest mountain in Canada.
- June 25 - Military coup in Greece lead by general Theodoros Pengalos
- July 10 - Scopes Trial: In Dayton, Tennessee, the so-called "Monkey Trial" begins with John T. Scopes, a young high school science teacher, accused of teaching evolution in violation of a Tennessee state law.
- July 10 - The official news agency of the Soviet Union called the Telegraph Agency of the Soviet Union (TASS) is established.
- July 18 - Adolf Hitler publishes his personal manifesto Mein Kampf.
- July 21 - Scopes Trial: In Dayton, Tennessee, high school biology teacher John T. Scopes is found guilty of teaching evolution in class and fined $100.
- August 8 – Ku Klux Klan marches in Washington DC
- August 20 - Public transportation strike in Paris
- September 3 - US dirigible Shenandoah breaks up enroute to Scottfield, St. Louis - 14 crewmen dead
- October 30 - John Logie Baird creates Britain's first television transmitter.
- October 31 - Ahmad Shah Qajar , Persian Shah of the Qajar dynasty is officialy deposed along with his dynasty.
- November 4 - NKVD executes would-be-spy Sidney Reilly (in secret - revealed after Cold War)
- November 28 - Country-variety show Grand Ole Opry makes its radio debut on station WSM (it would later become the longest-running live music show).
- December 1 - World War I aftermath: Locarno Treaties - The final Locarno Pact is signed in London, establshing post-war territorial settlements in return for normalizing relations with defeated Germany.
- December 1 - Locarno Pact signed
- December 12 - New Iranian parliament transfer hereditary monarchy rights to Reza Khan - Pahlavi dynasty begins
- December 15 - Reza Pahlavi takes his imperial oath and becomes Shah of Iran.
- Asa Helgesen became the first Norwegian woman mayor in Ustira
- British government instigates Coloured Seamen's Order that means that black sailors are registered as aliens
- [[Popocat�petl]] volcano erupts
- Thompson submachinegun sells for $175 in Sears mail order
- Modern revival of ancient Latvian mythology begins, called Dievturiba
- Sweden decides on extensive disarmament.
- Spanish and French expeditionary forces landing at Alhucemas during the war of the Rif.
- Vladimir Zworykin takes out the first patent for colour television
- The Woodcraft Folk, an organisation for young people to promote equality, peace, social justice and cooperation, founded in London.
- Introduction of London's first double decker buses.
- Britain returns to the Gold Standard.
- January 6 - John De Lorean, auto maker
- January 8 - James Saunders, dramatist
- January 10 - Max Roach, drummer, composer
- January 11 - Grant Tinker, television executive
- January 11 - William Styron, writer
- January 13 - Gwen Verdon, actress, dancer (d. 2000)
- January 14 - Yukio Mishima, writer (d. 1970)
- January 17 - Robert Cormier, writer (d. 2000)
- January 20 - Ernesto Cardenal, theologian, author and politician
- January 21 - Benny Hill, comedian, actor (d. 1992)
- January 24 - Maria Tallchief, prima ballerina
- January 26 - Paul Newman, actor
- January 30 - Dorothy Malone, actress
- January 31 - Benjamin Hooks, head of the National Association for the Advancement of Colored People
- February 1 - Alfred Grosser, political scientist and publicist
- February 2 - Elaine Stritch, actress
- February 4 - Russell Hoban, writer
- February 8 - Jack Lemmon, actor and film director (d. 2001)
- February 11 - Peter Berger, British Vice-Admiral.
- February 11 - Kim Stanley, actress. (d. 2001)
- February 11 - Virginia Johnson, doctor/sexologist.
- February 12 - Sir Anthony Berry, British politician
- February 17 - Hal Holbrook, actor
- February 18 - George Kennedy, actor
- February 20 - Robert Altman, film director
- February 20 - Heinz Kluncker, labor union leader
- February 21 - Sam Peckinpah, director (d. 1984)
- February 25 - Edward Gorey, illustrator (d. 2000)
- March 4 - Paul Mauriat, musician
- March 25 - Flannery O'Connor, author (d. 1964)
- March 26 - Pierre Boulez, French composer and conductor
- April 2 - Hans Rosenthal, showmaster (d. 1987)
- April 2 - George MacDonald Fraser, author
- April 3 - Tony Benn, British politician
- April 14 - Rod Steiger, actor (d. 2002)
- April 25 - Sammy Drechsel, journalist, film director and cabaretist (d. 1986)
- May 6 - Hanns Dieter H�sch, cabaretist
- May 12 - Yogi Berra, Baseball Hall of Famer
- May 19 - Pol Pot - Cambodian dictator (d. 1998)
- May 19 - Malcolm X (d. 1965)
- May 22 - Jean Tinguely, kinetic artist (d. 1991)
- May 28 - Dietrich Fischer-Dieskau, baritone
- June 3 - Tony Curtis, actor
- June 26 - Pavel Belyayev, cosmonaut (d. 1970)
- July 6 - Merv Griffin, game show developer, TV show host
- July 6 - Bill Haley, rock and roll musician. (d. 1981)
- July 18 - Shirley Strickland, Australian athlete
- July 29 - Ted Lindsay, ice hockey Hall of Fame player
- August 15 - Oscar Peterson, Canadian jazz pianist
- August 19 - Claude Gauvreau, Quebec playwright, poet and polemist
- September 7 - Gerald Durrell naturalist, zookeeper, author and television presenter
- September 8 - Peter Sellers, comedian, actor (d. 1980)
- September 16 - Charles Haughey, Taoiseach of the Republic of Ireland
- September 20 - James Galanos, fashion designer
- October 3 - Gore Vidal, American author
- October 13 - Margaret Thatcher, British prime minister (1979-1990)
- October 16 - Angela Lansbury, American actress
- October 23 - Johnny Carson, comedian, television host
- October 24 - Luciano Berio, Italian composer (d. 2003)
- November 17 - Charles Mackerras, conductor
- November 20 - Robert Kennedy (d. 1968)
- November 24 - William F. Buckley, Jr., author, commentator
- November 26 - Eugene Istomin, pianist (d. 2003)
- December 8 - Sammy Davis Jr., singer, dancer, musician, actor (d. 1990)
- December 13 - Dick Van Dyke, actor
- December 28 - Hildegard Knef, actress, singer and writer (d. 2002)
- February 2 - Jaap Eden, Dutch skater and cyclist
- February 10 – Aristide Bruant, cabaret singer and comedian
- March 12 - Sun Yat Sen, Chinese revolutionary, politician
- March 20 - George Nathaniel Curzon (Lord Curzon), British statesman
- April 14 - John Singer Sargent, artist
- May 3 - [[Cl�ment Ader]] - french engineer and inventor
- May 12 - Amy Lowell, poet
- May 14 - H. Rider Haggard, author
- June 16 - Emmett Hardy, jazz musician (b. 1903)
- July 1 - Erik Satie - French composer
- July 26 - William Jennings Bryan - American politician.
- August 25 - [[Franz Conrad von H�tzendorf]] - Austro-Hungarian Chief of Staff, WWI
- September 4 – Reginald Claypoole Vanderbilt, horseman, member of the Vanderbilt family
- November 20 - Queen Alexandra, widow of King Edward VII of the United Kingdom
- George Washington Cable - American writer
- Physics - James Franck, Gustav Ludwig Hertz
- Chemistry - Richard Adolf Zsigmondy
- Medicine - not awarded
- Literature - George Bernard Shaw
- Peace - Sir Austen Chamberlain Charles Gates Dawesaf:1925
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