Historical Events
- Oct 1 WJZ, Newark NJ begins broadcasting
PGA Championship
Oct 1 PGA Championship Men's Golf, Inwood CC: Walter Hagen beats former champion Jim Barnes of England 3 & 2; Hagan's third major title

Walter Hagen
- Oct 2 Chicago White Sox backstop Ray Schalk becomes the first and only MLB catcher to make a putout at all bases; White Sox beat Indians 7-4
- Oct 4 League of Nations refuses to assist starving Russians
- Oct 4 Riccardo Zanella becomes first elected President of Free State of Fiume
- Oct 5 First Baseball World Series radio broadcast; all-NY contest, Yankees beat Giants, 3-0 at Polo Grounds; sportswriter Grantland Rice is the caller
- Oct 5 Present constitution of Liechtenstein comes into effect
- Oct 6 Century Theater opens at 7th Ave & 59th St NYC (demolished 1962)
- Oct 6 Fewest hits in World Series Game, 5, Yanks (3) beat Giants (2), 3-0
- Oct 6 International PEN is founded in London.
- Oct 9 Babe Ruth's 1st WS homer; only Sunday game ever pitched by Carl Mays
- Oct 10 NFL Decatur Staleys become Chicago Staleys, win 14-10
- Oct 13 NY Giants beat NY Yankees, 5 games to 3 in 18th World Series
- Oct 16 Babe Ruth, Bob Meusel, & Bill Piercy defy Landis ban on World Series
- Oct 16 Jim Conzelman takes over as coach of Rock Island Independents from Frank Coughlin-only mid-game coaching change in NFL history
- Oct 17 Belgium's public library law goes into force
- Oct 18 Biding its time, Soviet Russia agrees to independence for the Crimea
- Oct 19 Portuguese Prime Minister António Granjo and other politicians are murdered in a Lisbon coup
- Oct 20 Germany and Allies comes to an agreements over reparation payments in a meeting at Wiensbaden
- Oct 20 The French and Mustafa Kemal nationalists sign a treaty at Ankara fixing the Turko-Syrian border
- Oct 21 Tuschinski Theater opens in Amsterdam
Film Premier
Oct 21 "The Sheik", a silent film starring Rudolph Valentino, premieres in Los Angeles

Rudolph Valentino
- Oct 21 Former Hungarian King Karl stages a second attempted coup and is arrested
- Oct 23 Green Bay Packers play 1st APFA (forerunner to NFL) game; beat Minneapolis Marines, 7-6 at Hagemeister Park, Green Bay, WI
- Oct 23 Leos Janacek's opera "Kat'a Kabanova" premieres in Brno
- Oct 26 Solomon Porter Hood named US minister to Liberia
- Oct 28 Amsterdam's Tuschinski movie theater opens
- Oct 28 First American gubernatorial recall election is held in North Dakota. Governor Lynn Frazier loses to Ragnvald A. Nestos by just over 4,000 votes (1.8%).
- Oct 29 The Link River Dam, a part of the Klamath Reclamation Project, is completed.
- Oct 31 Federation Sportive Feminine International forms (1st woman track & field association)
Famous Birthdays
- Oct 1 James Whitmore, American actor (The Shawshank Redemption, Give 'em Hell Harry), born in White Plains, New York (d. 2009)
- Oct 1 Héctor Campos Parsi, Puerto Rican classical music composer, born in Ponce, Puerto Rico (d. 1997)
- Oct 2 Albert Scott Crossfield, American test pilot (XS-1), born in Berkeley, California (d. 2006)
- Oct 2 Robert Runcie, Archbishop of Canterbury, born in Liverpool, England (d. 2000)
- Oct 3 Ray Lindwall, Australian cricket fast bowler (61 Tests, 228 wickets @ 23.03), born in Sydney, New South Wales (d. 1996)
- Oct 5 Bill Willis, American NFL guard (Cleveland Browns), born in Columbus, Ohio (d. 2007)
- Oct 6 Yevgeniy Landis, Russian mathematician (d. 1997)
- Oct 7 John Arthur Giles Gere, English art historian (Pre-Raphaelite painter)
- Oct 8 Abraham Sarmiento, Sr., Filipino Supreme Court jurist (1987-91), born in Santa Cruz, Ilocos Sur, Philippine (d. 2010)
- Oct 9 Michel Boisrond, French film director and screenwriter, born in Châteauneuf-en-Thymerais, France (d. 2002)
- Oct 10 Boy Trip, Dutch minister, born in Amersfoort, Netherlands (d. 1990)
- Oct 12 Jaroslav Drobný, Czech ice hockey player (Olympic silver 1948) and tennis player (Wimbledon 1954; French Open 1951-52), born in Prague, Czech Republic (d. 2001)
- Oct 12 Les Horvath, American College Football Hall of Fame quarterback and halfback (Heisman Trophy 1944; first Ohio State player to win the award; National C'ship 1942), born in South Bend, Indiana (d. 1995)
- Oct 13 Harper MacKay, American orchestra leader (NBC Follies), born in Boston, Massachusetts (d. 1995)
- Oct 13 Yves Montand [Ivo Livi], Italian-French actor and singer (Z, Napoleon, Grand Prix), born in Monsummano Terme, Italy (d. 1991)
- Oct 15 Angelica Rozeanu, Romanian table tennis player (World Champ 1950-55), born in Bucharest, Romania (d. 2006)
- Oct 15 Gul Mahomed, Pakistani cricketer (Indian & Pakistani batsman), born in Lahore, Punjab, British India (d. 1992)
- Oct 16 Michael Conrad, American actor (Delvecchio, Hill St Blues), born in NYC, New York (d. 1983)
- Oct 16 Matt Batts, MLB catcher (Red Sox), born in San Antonio, Texas (d. 2013)
- Oct 17 George Mackey Brown, poet
- Oct 17 Maria Gorokhovskaya, Russian gymnast (Olympic Champion 1952), born in Yevpatoria, Soviet Union
- Oct 17 Pricilla Lanford Buckly, editor/columnist (National Review)
- Oct 17 Tom Poston, American actor (Newhart, Mork & Mindy, Steve Allen Show, Newhart), born in Columbus, Ohio (d. 2007)
- Oct 18 Jesse Helms, (Sen-D/R-North Carolina, 1973- )
- Oct 19 George Nader, American actor (Robot Monster, Away All Boats), born in Pasadena, California (d. 2002)
- Oct 19 Gunnar Nordahl, Swedish soccer striker (33 caps; AC Milan; Olympic gold 1948), born in Hörnefors, Sweden (d. 1995)
- Oct 20 Hans Warren, Dutch writer/poet/critic (Secret Diary)
- Oct 20 Pierre Laporte, Canadian journalist/statesman (Revolution Script)
- Oct 21 Jarmil Burghauser, composer
- Oct 21 Sir Malcolm Arnold, British trumpeter, and classical and film score composer (The Bridge On The River Kwai), born in Northampton, England (d. 2006)
- Oct 22 Georges Brassens, French poet/cabaret singer
- Oct 22 Alexander Kronrod, Russian mathematician (d. 1986)
- Oct 23 Tom Manders, Dutch cabaret artist (Dorus)
- Oct 23 Denise Duval, French soprano (music of Francis Poulenc), born in Paris (d. 2016)
- Oct 25 Brian Malzard Foss, British psychologist, born in Whittlesey, Cambridgeshire (d. 1997)
- Oct 25 Michael I, King of Romania (1927-30, 1940-47), born in Peleș Castle, Sinaia, Romania (d. 2017)
- Oct 26 George Forrest, Northern Irish politician (d. 1968)
- Oct 27 Anestis Logothetis, Austrian composer, born in Burgas, Bulgaria (d. 1994)
- Oct 27 Warren Allen Smith, American gay rights activist and writer, born in Minburn, Iowa (d. 2017)
- Oct 28 Peggy Kirk, American golfer, (Titleholders Championship 1949), born in Findlay, Ohio (d. 2016)
- Oct 29 Edward "Ed" Kemmer, American actor (Space Patrol, Lux Video Theatre), born in Reading, Pennsylvania (d. 2004)
- Oct 29 Bill Mauldin, American cartoonist famous for his World War II cartoons depicting American soldiers (Pulitzer-1945, 59), born in Mountain Park, New Mexico (d. 2003)
Famous Deaths
- Oct 17 Katherine Griffith [Kiernan], American actress (Pollyanna, Fast Company), dies of a cerebral hemorrhage at 45
- Oct 17 Yaa Asantewaa, Ghanaian queen of Ashanti Empire, led fight against British colonialism, dies at 80 or 81
- Oct 18 King Ludwig III of Bavaria (b. 1845)
- Oct 19 Antonio Granjo, premier (Portugal), murdered
- Oct 23 John B Dunlop, Scottish inventor air tire (Dunlop Rubber), dies at 81
- Oct 25 Bat Masterson, American gunfighter in the Wild West, dies of a heart attack at 67