| January 1 | Flood in Rhine strikes Cologne |
| January 3 | Greek General Theodorus Pangulos names himself dictator |
| January 4 | Theodorus Pangalos resigns as Greek dictator |
| January 5 | James Cox of Ford Motors announces 8 hr day and $5 daily minimum wage |
| January 6 | Kees Boeke opens 1st comprehensive school in Holland |
| January 8 | Abdul-Aziz ibn Sa'ud becomes king of Hejaz; renames it Saudi Arabia |
| January 17 | George Burns marries Gracie Allen |
| January 20 | 2nd German government of Luther begins |
| January 21 | Belgian parliament accepts Locarno treaties |
| January 22 | Belgian chief of staff General Maglinse quits |
| January 23 | Eugene O'Neill's "Great God Brown," premieres in New York City |
| January 26 | Television 1st demonstrated (J L Baird, London) |
| January 27 | 1st public demonstration of television, John L Baird, London |
| January 27 | U.S. Senate agrees to join World Court |
| February 1 | Kirghiz Autonomous Region in RSFSR becomes Kirghiz ASSR |
| February 1 | Land at Broadway and Wall Street sold at a record $7 per sq inch |
| February 2 | 3 men dance Charleston for 22 hours |
| February 4 | Austrian chancellor Seipel wants to join Germany |
| February 6 | NFL rules college students ineligible until college classes graduates |
| February 6 | St. Louis Browns acquire catcher Wally Schang from New York Yankees |
| February 8 | German Reichstag decides to apply for League of Nations membership |
| February 8 | Sean O'Casey's "Plough and Stars" opens at Abbey Theater Dublin |
| February 8 | Walt Disney Studios forms |
| February 9 | Teaching theory of evolution forbidden in Atlanta, Georgia schools |
| February 10 | Building of Olympian Stadium Amsterdam, begins |
| February 11 | Tokelau (Union) Islands in South Pacific transfers to New Zealand |
| February 12 | Barendrecht soccer team forms |
| February 15 | Brooks Atkinson Theater opens at 256 W 47th St. New York City |
| February 15 | Contract air mail service begins in U.S. |
| February 16 | Suzanne Lenglen defeats Helen Wills in Tennis at Cannes France |
| February 17 | Avalanche buries 75 in Sap Gulch Bingham Utah, 40 die |
| February 17 | Tennis star Suzanne Lenglen beats Helen Wills in their only match |
| February 25 | Francisco Franco becomes General of Spain |
| February 25 | Kwo-Min-Tang (Guomindang) declares war on government/warlords |
| February 26 | Dark Street in the Bronx renamed Lustre Street |
| March 3 | International Greyhound Racing Association formed (Miami, Florida) |
| March 4 | De Geer government in Netherlands takes office |
| March 6 | China asks for a seat in the Security council |
| March 7 | 1st transatlantic telephone call, London - New York |
| March 9 | Bertha Landes elected 1st woman mayor of Seattle |
| March 10 | Run on Belgian banks |
| March 11 | Eamon da Valera ends leadership of Sinn Fein |
| March 12 | Denmark begins unilateral disarmament |
| March 12 | Pope Pius XI names J E van Roey archbishop of Malines Belgium |
| March 15 | Belgium's "black monday," franc falls |
| March 16 | Robert Goddard launches 1st liquid fuel rocket, goes 184' (56 meters) |
| March 17 | Dutch Calvinists oust Reverend J G Geelkerken over Genesis 3 |
| March 17 | Richard Rodgers and L Hart's musical "Girl Friend," premieres in New York City |
| March 17 | Spain and Brazil prevent Germany joining League of Nations |
| March 23 | NHL Championship: Mont Canadiens outscore Pitt Pirates, 6-4 in 2 games |
| March 24 | The Beehive in the Hague opens 1st escalator in Netherlands |
| March 26 | ACD de Graeff appointed Governor-General of Dutch East-Indies |
| March 26 | The 1st lip-reading tournament held in America |
| March 31 | German Special Court of Justice for state security disbands |
| April 1 | Halsteren Soccer team forms in Halsteren |
| April 2 | Riots between Moslems and Hindus in Calcutta |
| April 3 | 1st performance of Jean Sibelius' 7th Symphony in C |
| April 3 | 2nd flight of a liquid-fueled rocket by Robert Goddard |
| April 3 | Italy establishes corp of force in order to break powerful unions |
| April 4 | Greek dictator Theodorus Pangalos elected president |
| April 6 | Stanley Cup: Montl Maroons beat Victoria Cougars (WHL), 3 games to 1 |
| April 7 | Forest fire burns 900 acres and kills 2 in San Luis Obispo, California |
| April 7 | Mussolini's Irish wife breaks his nose |
| April 11 | Flemish Economic Covenant (VEV) forms in Ghent |
| April 12 | Dutch Catholic Radio Broadcast (KRO) forms |
| April 13 | At 41, Walter Johnson pitches his 7th opening day shutout |
| April 13 | Bicyclists without bicycle-tax-stamp rounded up in Amsterdam |
| April 16 | Book of the Month Club sends out its 1st selections "Lolly Willowes" and "Loving Huntsman" by Sylvia Townsend Warner |
| April 18 | Rhein Stadium opens in Dusseldorf Germany |
| April 19 | 30th Boston Marathon won by Johnny Miles of Canada in 2:25:40.4 |
| April 20 | 1st check sent by radio facsimile transmission across Atlantic |
| April 22 | Persia, Turkey and Afghanistan sign treaties of security |
| April 25 | Giacomo Puccini's opera "Turandot," premieres in Milan |
| April 25 | Persian cossack officer Reza Chan crowns himself Shah Palawi |
| April 26 | Germany and Russia sign neutrality/peace treaty |
| April 26 | Karachai Autonomous Region forms in RSFSR (until 1943) |
| April 27 | In the Giants' 9-8 win over Phillies, Mel Ott, 17, 1st appearance |
| April 29 | France and U.S. reach accord on repayment of WW I |
| May 1 | British coal-miners go on strike |
| May 1 | Brooklyn Dodgers and Boston Braves deadlock at 1-1 in 26 innings |
| May 2 | U.S. military intervenes in Nicaragua |
| May 3 | British general strike-3 million workers support miners |
| May 3 | Pulitzer prize awarded to Sinclair Lewis (Arrowsmith) |
| May 3 | U.S. Marines land in Nicaragua (9-mo after leaving), stay until 1933 |
| May 4 | General strike hits Britain |
| May 5 | Geldrop soccer team forms |
| May 5 | Sinclair Lewis refuses his Pulitzer Prize for "Arrowsmith" |
| May 8 | 1st flight over North Pole by Bennett and Byrd |
| May 8 | A Philip Randolph organizes Brotherhood of Sleeping Car Porters |
| May 8 | Fire breaks out in Fenway Park |
| May 9 | Richard Byrd and Floyd Bennett make 1st flight over North Pole |
| May 10 | 52nd Preakness: John Maiben aboard Display wins in 1:59.8 |
| May 11 | Airship Norge leaves Spitsbergen for 1st air crossing of Arctic Ocean |
| May 12 | Airship Norge is 1st vessel to fly over North Pole |
| May 12 | British general strike ends |
| May 12 | Dmitri Sjostakovitch's 1st Symphony, premieres in Leningrad |
| May 12 | General Pilsudski sets coup on premier Witos compared |
| May 12 | Umberto Nobile flies airship over North Pole |
| May 13 | German government of Luther falls |
| May 15 | 52nd Kentucky Derby: Albert Johnson on Bubbling Over wins in 2:03.8 |
| May 15 | British general strike ends, but mine workers go on strike |
| May 17 | Chiang Kai-shek is made supreme war lord in Canton |
| May 17 | German government of Marx takes power |
| May 18 | Evangelist Aimee Semple McPherson vanished in Venice California She showed up a month later and said she had been kidnapped |
| May 19 | French air force bombs Damascus, Syria |
| May 20 | Belgian government of Jaspar takes power |
| May 20 | Congress passes Air Commerce Act, licensing of pilots and planes |
| May 20 | Railway Labor Act became law |
| May 20 | Thomas Edison says Americans prefer silent movies over talkies |
| May 21 | White Sox Earl Sheely hits a record 6th consecutive double |
| May 22 | Chiang Kai-shek replaces communists in Guomindang China |
| May 22 | Dutch Communist Party expels David Wijnkoop |
| May 22 | "Five Foot Two, Eyes of Blue" by Gene Austin hits #1 |
| May 23 | Hack Wilson is 1st to hit a home run off Wrigley Field scoreboard |
| May 23 | Lebanese constitution forms under French mandate |
| May 24 | Paavo Nurmi runs world record 3000 m (8:25.4) |
| May 26 | Lebanon adopts constitution |
| May 28 | Military coup by General Manuel Gomes da Costa in Portugal |
| May 28 | U.S. Customs Court created by congress |
| May 31 | Portuguese president Bernardino Machedo resigns after coup |
| May 31 | Sesquicentennial Exposition opens in Philadelphia |
| June 1 | Ignacy Mocicki elected president of Poland |
| June 5 | Indians triple-play Yankees and win 15-3 |
| June 6 | Egyptian government of Adly Pasha forms |
| June 7 | Swedish government of Ekman forms |
| June 10 | Phillies Russ Wrightstone hits for the cycle |
| June 12 | 58th Belmont: Albert Johnson aboard Crusader wins in 2:32.2 |
| June 12 | Brazil leaves League of Nations |
| June 14 | 2nd French Womens Tennis: Suzanne Lenglen beats Mary K Browne (61 60) |
| June 15 | 7th French government of Briand falls |
| June 18 | Theodor Lessing laid-off "because he is a Jew" in Hanover |
| June 19 | DeFord Bailey is 1st black to perform on Nashville's Grand Ole Opry |
| June 20 | Mordecai W. Johnson becomes president of Howard University |
| June 22 | Cardinals pick up 39-year-old Grover Alexander on waivers from Cubs |
| June 23 | 8th government of Briand van France forms |
| June 23 | Commencement of the West Indies' 1st Test cricket match, at Lord's |
| June 25 | 61st British Golf Open: Bobby Jones shoots a 291 at Royal Lytham |
| June 29 | Carter Woodson wins Springarn Medal for research of Black history |
| July 1 | Canada restores gold standard |
| July 4 | Baronie soccer team forms in Breda, Netherlands |
| July 4 | NSDAP-party forms in Weimar |
| July 9 | Chiang Kai-shek appointed to national-revolutionary supreme commander |
| July 9 | Coup under General Sinel de Cordes in Portugal |
| July 10 | 30th U.S. Golf Open: Bobby Jones shoots a 293 at Scioto CC in Ohio |
| July 10 | Lake Denmark, New Jersey arsenal explodes, kills 21, $75m damage |
| July 12 | Guomindangleger draws against warlord Wu Peifu |
| July 12 | Paavo Nurmi walks world record 4x1500m (16:26.2) |
| July 13 | Paavo Nurmi runs world record 3000m (8:20.4) |
| July 15 | VPRO (Free thinking Protestant Radio Broadcast) forms |
| July 16 | Jaspar government asks authority to save Belgian franc |
| July 16 | National Geographic takes 1st natural-color undersea photos |
| July 17 | Paavo Nurmi walks world record 4x1500m (16:11.4) |
| July 19 | 2nd French government of Herriot, forms |
| July 22 | 105 degrees F (41 degrees C), Waterbury, Connecticut (state record) |
| July 22 | 108 degrees F (42 degrees C), Troy, New York (state record) |
| July 22 | Cincinnati Red Curt Walker ties record of 2 triples in an inning |
| July 23 | Belgian NMBS/SNCFB forms |
| July 23 | France government of Poincare, forms |
| July 26 | National Bar Association incorporates |
| July 26 | Philippines government asks U.S. to plebiscite for independence |
| July 28 | U.S. and Panamanian pact about safeguard of Panama Canal |
| July 30 | Albanian boundaries deduced |
| August 1 | Battles between Druzen and French in Damascus |
| August 1 | Failed assassination on General Primo de Rivera in Barcelona |
| August 3 | Traffic lights installed on Piccadilly Circus |
| August 5 | 1st talkie movie "Don Juan" at Warner Theatre, New York |
| August 5 | French and German trade agreement signed |
| August 5 | Houdini stays in a coffin under water for 1 hours |
| August 6 | Don Juan with John Barrymore shown |
| August 6 | New York's Gertrude Ederle becomes 1st woman to swim English Channel |
| August 6 | Warner Bros premieres Vitaphone sound-on-disc movie system |
| August 10 | Italian-Spanish peace treaty signed |
| August 11 | Cleveland Indian Tris Speaker hits his 700th double |
| August 17 | Greek-Serbian/Croatian/Slavs peace treaty signed |
| August 18 | England regain Ashes with 5th Test Cricket win, to take series 1-0 |
| August 18 | Weather map televised for 1st time |
| August 20 | Uprising against Reza Shah Pahlawi in Persia |
| August 21 | Uprising against Greek president/dictator Pangalos |
| August 21 | White Sox Ted Lyons no hits Red Sox 6-0 in just 67 minutes at Fenway |
| August 22 | Gold discovered in Johannesburg, South Africa |
| August 22 | Greek dictator General Pangulos driven out |
| August 23 | 40th U.S. Womens Tennis: Molla B Mallory beats Elizabeth Ryan (46 64 97) |
| August 25 | Pavlos Koundouris becomes president of Greece |
| August 28 | Indian Emil Levsen pitches complete doubleheader victory (Red Sox) |
| August 30 | Jack Hobbs scores 316* at Lord's (Surrey vs. Middlesex) |
| September 1 | British Columbia Rugby Football Union forms |
| September 1 | Turkey allows civil marriage |
| September 2 | Italy signs treaty with Yemen |
| September 8 | League of Nations Assembly voted unanimously to admit Germany |
| September 9 | National Broadcasting Co created by Radio Corporation of America |
| September 9 | Train disaster at Wassenaar, Netherlands, 4 die |
| September 10 | Allies-German treaty of Koblenz drawn |
| September 10 | Germany joins League of Nations |
| September 11 | 21st Davis Cup: USA beats France in Philadelphia (4-1) |
| September 11 | Aloha Tower dedicated in Honolulu |
| September 11 | Spain leaves League of Nation due to Germany joining |
| September 11 | U.S. defeats France for their 7th straight Davis Cup championship |
| September 11 | Yankees' Bob Meusel ties record with 3 sacrifice flies |
| September 14 | Guido Companions birthplace as a museum opens |
| September 16 | Hurricane in Florida and Alabama, kills 372 |
| September 16 | Italian-Romanian peace treaty signed |
| September 16 | Philip Dunning and George Abbott's "Broadway," premieres in New York City |
| September 16 | St. Louis Cardinals beat Phillies 23-3 |
| September 17 | Hurricane hits Miami and Palm Beach Florida; about 450 die |
| September 18 | 46th U.S. Mens Tennis: Rene Lacoste beats Jean Borotra (64 60 64) |
| September 18 | Hurricane hits Miami, kills 250 |
| September 18 | Jean Rene Lacoste wins U.S. Tennis Open |
| September 19 | 80,000 demonstrate for democratic peace in Hague |
| September 22 | Belgian crown prince Leopold and Swedish princess Astrid get engaged |
| September 23 | Gene Tunney beats Jack Dempsey in 10 for heavyweight boxing title |
| September 24 | Cardinals clinch NL pennant by beating Giants 6-4 |
| September 25 | 9th PGA Championship: Walter Hagen at Salisbury Golf Club Westbury, New York |
| September 25 | Canadian government of MacKenzie King forms |
| September 25 | Henry Ford announces 8 hour, 5-day work week |
| September 25 | International slavery convention signed by 20 states |
| September 25 | NHL grants franchises to Chicago Black Hawks and Detroit Red Wings |
| September 25 | Walter Hagen wins PGA golf tournament |
| September 25 | Yankees take a doubleheader from Browns to clinch AL pennant |
| September 26 | JB Fagan's "And So to Bed," premieres in London |
| September 26 | Shortest double header, Yankees lose 6-1 in 72 minutes and lose again 6-2 in 55 minutes to Browns. Yankees had already clinched pennant |
| September 28 | Russia and Latvia treaty of neutrality signed |
| September 29 | Norma Shearer wed Irving Thalberg |
| September 30 | German/French/Belgian/Luxembourg steel cartel closes |
| October 2 | Bert Gibb of Hamilton Tigers kicks 9 singles in a game |
| October 3 | 1st congress of Paneuropabeweging opens in Vienna |
| October 3 | Violet Percy runs female record marathon (3:40:22) |
| October 4 | Dahlia is officially designated as San Francisco city flower |
| October 6 | Babe Ruth hits 3 home runs in a World Series game, Yankees beat Cards 10-5 |
| October 7 | Actress Theo Mann-Master resigns from stage |
| October 7 | Italian Great Fascist Council forms |
| October 9 | Dutch Queen Wilhelmina opens Royal Colonial Institution |
| October 9 | NBC (National Broadcasting Corporation) forms |
| October 10 | St. Louis Cardinals beat New York Yankees, 4 games to 3 in 23rd World Series |
| October 14 | Alan Alexander Milne's book "Winnie-the-Pooh" released |
| October 14 | Walter Johnson retires, signs 2-year contract to manage Newark |
| October 15 | Austria government of Seipel, forms |
| October 15 | Philip Barry's "White Wings!," premieres in New York City |
| October 16 | Mohammed Nadir Khan begins coup in Afghanistan, 1200 killed |
| October 16 | Troop ship sinks in Yangtze River, killing 1,200 |
| October 18 | Frankfurter Zeitung publishes Lenins political testament |
| October 19 | John C Garand patents semi-automatic rifle |
| October 19 | Russian Politburo throws out Leo Trotsky and followers |
| October 20 | Hurricane in Cuba, kills 600 |
| October 25 | Lester Patrick becomes 1st coach and General Manager of New York Rangers |
| October 26 | Arthur Goodrich's "Caponsacchi," premieres in New York City |
| October 26 | Belgium stabilizes current value of franc (5 franc becomes 1 "Belga") |
| November 1 | Air Commerce Act passes |
| November 3 | 15th party congress CPSU ends/5 year plan begins |
| November 3 | Ty Cobb resigns as Detroit Tigers manager |
| November 8 | George Gershwin's musical "Oh, Kay," premieres in New York City |
| November 10 | Belgium crown prince Leopold weds princess Astrid Bernadotte of Sweden |
| November 10 | Bradman plays his 1st State selection trial He only made 37 |
| November 10 | Guomindang-regring deallocates seat of Kanton to Wuhan (Hankou) |
| November 10 | Vincent Massey becomes 1st Canadian minister to USA |
| November 11 | Eddie Collins is released as White Sox manager |
| November 13 | Indonesian Communist Party (PKI) uprising in Bantam West Java |
| November 15 | 1st formal radio network, RCA takes over AT&T 25 station Network (NBC) |
| November 15 | AT&T sells WEAF radio to RCA (New York City) |
| November 16 | New York Rangers 1st game, beat Montreal Maroons 1-0 |
| November 17 | NHL's Chicago Black Hawks play their 1st game, beat Tor St. Pats 4-1 |
| November 18 | Pope Pius XI encyclical On persecution of Church in Mexico |
| November 19 | British mine strikes after 28 weeks ends |
| November 22 | Imperial Conference ends-giving autonomy inside British Commonwealth |
| November 23 | Noel Coward's "This Was a Man," premieres in New York City |
| November 24 | KVI-AM in Seattle WA begins radio transmissions |
| November 27 | 110,000 watch Army and Navy play a 21-all tie |
| November 27 | Bela Bartoks ballet "Miraculous Mandarin," premieres in Keulen |
| November 27 | Italian and Albania sign peace treaty |
| November 27 | KXL-AM in Portland OR begins radio transmissions |
| November 27 | Restoration of Williamsburg, Virginia, begins |
| November 29 | Tris Speaker resigns as Indians manager |
| November 29 | W Somerset Maughams "Constant Wife," premieres in New York City |
| December 3 | Manchester Guardian (German Reichswehr/Red Army work together) |
| December 4 | 14th CFL Grey Cup: Ottawa Senators defeats University of Toronto, 10-7 |
| December 5 | Sergei Eisenstein's "Battleship Potemkin," debuts |
| December 7 | Gas refrigerator patented |
| December 9 | USGA leagalizes steel shaft golf clubs |
| December 10 | 1st radio broadcast in the Sprinfield area (WCBS) |
| December 10 | 2nd part of Hitler's Mein Kampf published |
| December 11 | Josephine Baker goes up in Amsterdam |
| December 11 | Queensland win their 1st Sheffield Shield cricket match, vs. NSW |
| December 12 | Leningrad: premier of Dmitri Sjostakovitsj' 1st Pianoconcert |
| December 14 | Danish Madsen government, forms |
| December 15 | Facist national symbol elevated in Italy |
| December 16 | Darius Milhauds opera "Le Pauvre Matelot," premieres in Paris |
| December 16 | Kenesaw Mountain Landis renewed 7-years as baseball commissioner |
| December 16 | WOW-AM in Omaha NE begins radio transmissions |
| December 17 | German Marx government falls due to cooperation with red army |
| December 17 | KYA-AM in San Francisco, California begins radio transmissions |
| December 17 | Lithuanian military state under General Augustine Woldemaras |
| December 20 | Cards trade Rogers Hornsby to Giants for Frankie Frisch and Jimmy Ring |
| December 20 | Pope Pius XI convicts fascist pursuit in Italy |
| December 20 | Sidney Howard's "Silver Cord," premieres in New York City |
| December 21 | Soccer team DOS Struggle forms |
| December 23 | KEX-AM in Portland OR begins radio transmissions |
| December 25 | Hirohito becomes emperor of Japan 1926-1989 |
| December 26 | Prince-regent Hirohito becomes emperor of Japan |
| December 27 | Depot Square in Bronx renamed Botanical Square |
| December 27 | Latkin Square in Bronx named for 1st U.S. Jewish soldier to die in WW I |
| December 28 | Arthur Mailey takes 4-362 off 64 overs (no maidens) NSW vs. Vic |
| December 28 | Imperial Airways begins England-India mail and passenger service |
| December 28 | Ponsford scores 352 and Ryder 295 against NSW |
| December 28 | Victoria all out for 1107 against NSW at the MCG Crowd 22,348 |
| December 29 | Vatican puts French fascist Charles Maurras' work on the index |
| December 29 | Victoria (1107) beat NSW (221 and 230) by an innings 656 runs |
| December 30 | Chicago Tribune reports the Tigers threw a 4-game series to the White Sox in 1917 to help Chicago win the pennant (never substaniated) |
| December 30 | Paul Eliot Greens "In Abraham's Bosom," premieres in New York City |
