| January 1 | Norway's capital Christiania changes name to Oslo |
| January 2 | Gorno-Badakhshan Autonomous Region established (now in Tadzhik SSR) |
| January 3 | Mussolini dissolves Italian parliament/becomes dictator |
| January 4 | French psychologist Emil Coue brings his self-esteem therapy to U.S. "Every day in every way I am getting better and better" |
| January 5 | French Baseball Federation awards silver medals to John McGraw, Charlie Comiskey, and Hugh Jennings |
| January 5 | James Gleason and Richard Tabers "Is zat so?," premieres in New York City |
| January 5 | Nellie Taylor Ross became governor of Wyoming, 1st woman Governor in USA |
| January 5 | Under Polish control, Danzig establishes Port Gdansk post office |
| January 6 | Paavo Nurmi, sets indoor record, 4:13.6 mile and 14:44.6 5,000m |
| January 7 | Musical "Big Boy" with Al Jolson premieres in New York City |
| January 8 | 1st all-female U.S. state supreme court appointed, Texas |
| January 9 | German Postal Minister A Hofle resigns due to corruption |
| January 10 | France-Saarland forms |
| January 10 | Miriam (Ma) Ferguson sworn in as Texas gov, nation's 2nd woman governor |
| January 11 | Franc B. Kellogg replaces Charles Hughes on as U.S. Secretary of State |
| January 12 | John Howard Lawson's "Processional," premieres in New York City |
| January 14 | Alban Berg's atonale opera "Wozzeck," premieres in Berlin |
| January 15 | Hans Luther forms German government, with DNVP |
| January 16 | General M Froense replaces Trotsky as People's Commissioner of Defense |
| January 16 | Leon Trotsky dismissed as CEO of Russian Revolution Military Council |
| January 19 | -48 degrees F (-44 degrees C), Van Buren, Maine (state record) |
| January 20 | U.S.S.R. and Japan sign treaty of Peking, Seychelles back to U.S.S.R. |
| January 21 | Albanian parliament announces itself a republic; Ahmed Zogoe president |
| January 22 | Albania Republic proclaimed under President Achmed Zogu |
| January 24 | Moving picture of a solar eclipse taken from dirigible over Long Island |
| January 24 | Sandler follows Branting as premier of Sweden |
| January 28 | -46 degrees F (-43 degrees C), Pittsburgh, New Hampshire (state record) |
| January 29 | British Liberals choose David Lloyd George as party leader |
| January 30 | Turkish government throws out Constantine VI of Constantinople |
| January 31 | Premier Ahmed Zogu becomes president of Angola |
| February 1 | 1st national conference of KPD's Rotfrontkampferbund in Berlin |
| February 2 | Belgian episcopacy rejects liberalism, communism and socialism |
| February 2 | Dogsleds reach Nome with emergency diphtheria serum after 1000-km |
| February 2 | NL holds Golden Jubilee Year meeting at same hotel where NL began |
| February 8 | Kaufman and Berlin's "cocoanuts," premieres in New York City |
| February 8 | Marcus Garvey enters federal prison in Atlanta |
| February 9 | German Minister Stresemann proposes security treaty with France |
| February 9 | Haifa Technion (Israel), opens |
| February 10 | 1st waterless gas storage tank put into service, Michigan City, Ind |
| February 10 | AL decides to alternate leagues for game 1 of World Series each year |
| February 12 | 1st federal arbitration law approved by Congress |
| February 12 | E Thieffry departs with Handley Page for the Belgian Congo |
| February 12 | Estonia forbids communist Party |
| February 13 | U.S. Congress makes Surpreme Court appeal more difficult |
| February 14 | State of emergency crisis in Bayern ends, NSDAP re-allowed |
| February 21 | 1st issue of "New Yorker" magazine published |
| February 21 | Mass meeting of SPD's Reichsbanner Black-Red-Gold in Magdeburg |
| February 24 | Thermit explosive 1st used to break up ice jam, Waddington, New York |
| February 25 | Glacier Bay National Monument established in Alaska |
| February 25 | U.S. Female Figure Skating championship won by Beatrix Loughran |
| February 25 | U.S. Male Figure Skating championship won by Nathaniel Niles |
| February 26 | Jihad-Saint war against Turkish government |
| February 27 | Hitler's resurrects NSDAP political party in Munich |
| February 27 | Test Cricket debut of Clarrie Grimmett, who took 5-45 and 6-37 vs. England |
| February 28 | Congress authorizes a special handling stamp |
| February 28 | Longest win streak in Toronto Maple Leaf history (9 games) |
| February 28 | "Tea For Two" by Marion Harris hit #1 |
| February 28 | Theater Museum of Amsterdam forms |
| March 2 | Dutch Socialists demand drastic disarmament |
| March 2 | Japan's House of Representatives recognizes male suffrage |
| March 2 | Nationwide road numbering system and U.S. shield marker adopted |
| March 2 | SDAP-Second-Faction of parliament demands drastic disarmament |
| March 4 | President Coolidge's inauguration broadcast live on 21 radio stations |
| March 4 | Swain's Island (near American Samoa) annexed by U.S. |
| March 10 | Walter Mittelholzer is 1st to flies over Demawend mountain, Iran |
| March 12 | British government of Baldwin refuses to ratify Geneva agreement |
| March 13 | NHL Championship: Montreal Canadiens sweep Toronto Arenas in 2 games |
| March 13 | Tennessee makes it unlawful to teach evolution |
| March 19 | Angelo G Roncalli (Pope John XXIII) becomes a bishop |
| March 21 | Edinburgh's Murreyfield Stadium officially opens |
| March 21 | Iran adopts Khorshidi solar Hijrah calendar |
| March 23 | Tennessee becomes 1st state to outlaw teaching theory of evolution |
| March 24 | KSL-AM in Salt Lake City UT begins radio transmissions |
| March 30 | Stalin supports rights of non-Serbian Yugoslavians |
| March 30 | Stanley Cup: Vict Cougars (WCHL) beat Canadiens (NHL), 3 games to 1 |
| March 31 | WOWO-AM, Ft. Wayne Indiana begins radio transmission (500 watts) |
| April 1 | 1st transmission of Danish state radio |
| April 1 | Hebrew University, Jerusalem dedicated |
| April 3 | Great Britain goes back to gold standard |
| April 3 | Netherlands and Belgium sign accord of Westerschelde |
| April 5 | Belgian Workers Party wins parliamentary election |
| April 5 | Yankees whip Dodgers in exhibition 16-9 but Babe Ruth collapses in North Carolina due to an ulcer |
| April 6 | 1st film shown on an British Air flight |
| April 9 | Babe Ruth rushed to hospital |
| April 10 | Czarina re-christened Stalingrad (now Volgograd) |
| April 10 | Scribners publishes "The Great Gatsby" by F Scott Fitzgerald |
| April 11 | Abd el-Krims Rifkabylen beats French army in Morocco |
| April 13 | Virginia Theater (ANTA, Guild) opens at 245 W 52nd St. New York City |
| April 14 | 1st regular-season Cubs game to be broadcast on radio (WGN) |
| April 15 | NHL's New York Americans (formerly Hamilton Tigers) 1st game, lose 3-1 |
| April 17 | New York Yankee Babe Ruth has ulcer surgery |
| April 17 | Paul Painleve follows Edouard Herriot on as French premier |
| April 18 | World's fair opens in Chicago |
| April 20 | 29th Boston Marathon won by Charles Mellor of Illinois in 2:33:00.6 |
| April 21 | Chuvash Autonomous Region in RSFSR becomes Chuvash ASSR |
| April 21 | No baseball games played in NL due to Charles Ebbets' funeral |
| April 21 | Noel Coward's "Fallen Angels," premieres in London |
| April 23 | 1st London performance of operetta "Fasquita" staged |
| April 23 | Pastor LH Perquin forms Union of Catholic Dutch Radio (KRO) forms |
| April 26 | Pulitzer prize awarded to Edna Ferber for "So big" |
| April 28 | Kurd rebels surrender to Turkish army |
| April 28 | Netherlands and Great Britain return to gold standard |
| April 29 | Netherlands returns to gold standard |
| May 1 | A's Jimmie Foxx, 17, 1st game; he pinch-hits a single |
| May 1 | Cyprus becomes a British Crown Colony |
| May 2 | Kezar Stadium in San Francisco's Golden Gate Park opens |
| May 4 | League of Nations conference on arms control and poison gas usage |
| May 5 | John T. Scopes arrested for teaching evolution in Tennessee |
| May 5 | Ty Cobb goes 6 for 6, (16 total bases) |
| May 5 | Yankee Everett Scott is benched, ending his 1,307-game playing streak |
| May 6 | Ty Cobb hits his 5th home run in 2 games tying Cap Ansons record of 1884 |
| May 7 | Phillies have their 8th game postponed in a row |
| May 7 | Pirate shortstop Glenn Wright makes an unassisted triple play |
| May 8 | 51st Preakness: Clarence Kummer aboard Coventry wins in 1:59 |
| May 8 | French colonial army beats Rifkabylen in Morocco |
| May 9 | Cornerstone for Hebrew University, Jerusalem laid |
| May 11 | Communist Party of Holland splits |
| May 11 | Kara-Kalpak Autonomous Region constituted in RSFSR |
| May 12 | Uzbekistan and Kirgizistan become autonomous Soviet republics |
| May 12 | Walter Hagen wins PGA golf tournament |
| May 16 | 51st Kentucky Derby: Earl Sande aboard Flying Ebony wins in 2:07.6 |
| May 17 | Cleveland Indian Tris Speaker gets his 3,000th hit |
| May 21 | Canadians allow to sell beer |
| May 21 | George Lloyd of Dolobran becomes British High Director of Egypt |
| May 21 | Roald Amundsun leaves Spitsbergen with 2 seaplanes to North Pole |
| May 26 | Babe Ruth is finally out of bed, 5 weeks after ulcer surgery |
| May 26 | Tigers' Ty Cobb is 1st to collect 1,000 extra-base hits (ends 1,139) |
| May 30 | British mariners shoot on demonstrators |
| May 30 | Peter DePaolo became 1st man to average over 100 mph at Indy |
| May 30 | Rogers Hornsby replaces Branch Rickey as manager of Cardinals |
| June 1 | Lou Gehrig replaces Wally Pipp (1st of record 2130 consec games) |
| June 3 | Eddie Collins, is 6th to get 3,000 hits |
| June 3 | Goodyear airship "Pilgrim" makes 1st flight (1st with enclosed cabin) |
| June 3 | White Sox manager Eddie Collins gets 3,000 hit |
| June 5 | 29th U.S. Golf Open: Willie Macfarlane shoots a 291 at Worcester CC Mass |
| June 6 | Walter Percy Chrysler founded Chrysler Corp, Iacocca is 8 months old |
| June 12 | William DeHart Hubbard of U.S., sets long jump record at 25' 10 3/4" |
| June 13 | 57th Belmont: Albert Johnson aboard American Flag wins in 2:16.8 |
| June 15 | Philadelphia A's go into bottom of 8th inning trailing 15-4, then score 13 times to defeat Cleveland 17-15 |
| June 22 | Spain and France fight Morocco |
| June 23 | British warship fires on Hong Kong harbor strikers |
| June 23 | Landslides create 3-mile long "Slide Lake" (Gros Ventre Wyoming) |
| June 25 | Military putsch under General Theodorus Pangulos in Greece |
| July 1 | New York Giant Hack Wilson hits 2 home runs in 3rd inning beating Phillies, 16-7 |
| July 1 | SDAP wins 4 chairs in Second-Parliamentary election |
| July 1 | Secretary of State for Dominion Affairs created in U.K. |
| July 3 | 38th Wimbledon Womens Tennis: Suzanne Lenglen beats Joan Fry (62 60) |
| July 4 | 44 die when Dreyfus Hotel in Boston collapses |
| July 4 | 45th Wimbledon Mens Tennis: Rene Lacoste beats J Borotra (63 63 46 86) |
| July 4 | Yankees Lefty Grove beats A's Herb Pennock 1-0 in 15 innings |
| July 10 | Jury selection took place in John T Scopes evolution trial |
| July 10 | U.S.S.R.'s official news agency TASS forms |
| July 11 | Queen Wilhelmina names H Colijn head of government |
| July 13 | French occupation force begins evacuating country |
| July 17 | Tris Speaker, is 5th to get 3,000 hits |
| July 18 | Hitler publishes Mein Kampf |
| July 20 | Beirut sultan Pasja al-Atrasj calls Druzen for holy war against France |
| July 20 | Italian-Serbian/Croatian/Slav treaty about Dalmatie |
| July 21 | Monkey Trial ends-John Scopes found guilty of teaching Darwinism |
| July 22 | Yankees purchase infielder Leo Durocher |
| July 23 | New York Yankee Lou Gehrig hits his 1st of 23 career grand slammers |
| July 24 | Scopes guilty of teaching evolution in a Tennessee High School, fined $100 and costs |
| July 31 | Last allied occupying troops leave Ruhrgebied |
| July 31 | Unemployment Insurance Act passed in England |
| August 1 | Shortwave-radio link between Kootwijk and Netherland East-Indies |
| August 3 | Last U.S. troops leave Nicaragua (there since 1912) |
| August 4 | 1st Dutch Colijn government forms |
| August 4 | U.S. Marines leave Nicaragua after 13-year occupation |
| August 7 | League of Nation advises against Turk/Iraqi division of Mosoelgebied |
| August 8 | 1st national march of Ku Klux Klan (200,000) in Washington, D.C. |
| August 9 | Only time Babe Ruth pinch-hit for, Bobby Veach flies out |
| August 10 | Hurricane strikes Borculo, 4 die |
| August 12 | KMA-AM in Shenandoah IA begins radio transmissions |
| August 14 | Mount Rushmore 1st proposed |
| August 15 | Norway annexes Spitsbergen |
| August 15 | White Sox Dickie Kerr, 1st appearance since winning 2 world series games in 1919 |
| August 18 | Belgian and U.S. sign treaty about war debts |
| August 18 | Cardinal Mercier warns Belgians against socialism/liberalism |
| August 20 | WJR-AM in Detroit Michigan begins radio transmissions |
| August 21 | BV Emmen soccer team forms |
| August 24 | 39th U.S. Womens Tennis: Helen Wills Moody beats K McKane (36 60 62) |
| August 25 | Brotherhood of Sleeping Car Porters organizes (Harlem New York) |
| August 25 | Last Belgian troops vacate Duisburg |
| August 28 | Meteorite falls on Ellemeet, Schouwen, Devil Island |
| August 29 | After a night on the town, Babe Ruth shows up late for batting practice Miller Huggins suspends Ruth and slaps a $5,000 fine on him |
| August 30 | 6th Iron pilgrim at Diksmuide Belgium |
| September 1 | Pierre de Coubertin steps down as chairman of International Olympic Committee |
| September 3 | 1st international handball match held |
| September 3 | Dirigible "Shenandoah" crashed near Caldwell Ohio, 13 die |
| September 5 | 112 F (44 degrees C), Centerville, Alabama (state record) |
| September 5 | 29th U.S. Golf Amateur Championship won by Bobby Jones |
| September 12 | 20th Davis Cup: USA beats France in Philadelphia (5-0) |
| September 13 | 1st U.S. University for Blacks, Xavier University, opens in New Orleans |
| September 13 | Bkln Dodger Dazzy Vance no-hits Phillies, 10-1 |
| September 18 | Bill Tilden wins 6th straight U.S. tennis championship |
| September 19 | 45th U.S. Mens Tennis: Wm T Tilden beats Wm M Johnston (46 119 63 46 63) |
| September 22 | Yank Ben Paschal hits 2 inside-the-park-homers |
| September 23 | George Kaufman's "Butter and Egg Man," premieres in New York City |
| September 23 | Washington shortstop Roger Peckinpaugh is named AL MVP |
| September 26 | 8th PGA Championship: Walter Hagen at Olympia Fields CC Matteson Ill |
| September 26 | Italian sub "Sebastiano Veniero" lost off Sicily with 54 dead |
| September 29 | French General of Morocco, marshal Lyautey, is dismissed |
| September 29 | Greek republican constitution enforced |
| September 30 | General Pangulos disbands Greek parliament |
| October 4 | Harry Heilmann's 6 hits edges Ty Cobb .393 to .389 as batting champ |
| October 5 | WSM-AM in Nashville, Tennessee begins radio transmissions |
| October 6 | Greek premier Papanastasiou orders General Pangulos arrested |
| October 11 | Belgian episcopelian sspeaks against Flemish activism |
| October 11 | New York Giants play 1st NFL game, lose to Providence 14-0 |
| October 12 | Albert Michelsen runs world record marathon (2:19:01.8) |
| October 12 | German-Russian trade agreement signed |
| October 14 | Anti-French uprising in Damascus (French inhabitants flee) |
| October 15 | Pittsburgh Pirates beat Washington Senators, 4 games to 3 in 22nd World Series |
| October 15 | Willem Landre's opera "Beatrice" premiers in The Hague |
| October 16 | Peace accord of Locarno signed (Rhine Pact) |
| October 16 | Texas School Board prohibits teaching of evolution |
| October 18 | French General Sarrail bombs Damascus |
| October 18 | Salt Lake City (PCL) Tony Lazzeri hits his 60th home run of the season |
| October 19 | Italian army takes Somalia |
| October 21 | Sidney Howards "Lucky Sam McGarver," premieres in New York City |
| October 25 | Lester Patrick takes over New York Rangers |
| October 25 | Rightist German ministers disavows Treaty of Locarno |
| October 27 | Water skis patented by Fred Waller |
| October 30 | KUT-AM in Austin Texas begins radio transmissions |
| October 31 | Cossack officer Reza Chan replaces sultan Ahmad Shah in Persia |
| November 1 | VARA, Vereniging van Workers Radio Amateurs forms in Amsterdam |
| November 5 | Mussolini disbands Italian socialist parties |
| November 7 | Italians liberal-national party joins fascist |
| November 9 | German NSDAP form SS |
| November 11 | Earnest Thalmann becomes chairman of German KPD |
| November 11 | Louis Armstrong records 1st of Hot Five and Hot Seven recordings |
| November 11 | Night of Kersten - Colijn Dutch government falls by SGP-amendement |
| November 11 | Robert Millikan announces discovery of cosmic rays |
| November 12 | U.S. and Italy sign peace accord about war debts |
| November 16 | American Association for Advancement of Atheism forms (NY) |
| November 16 | Philip Barry's "In a Garden," premieres in New York City |
| November 21 | Red Grange plays final University of Illinois game, signs with Chicago Bears |
| November 22 | Red Grange signs with Chicago Bears directly out of college |
| November 24 | 1st radio-broadcast of Dutch KRO (Catholic Radio Broadcast) |
| November 24 | Eugene O'Neill Theater (Coronet, Forrest) opens at 230 W 49th St. New York City |
| November 25 | KPD proposes German Parliament expropriate possession of monarchy |
| November 26 | Netherlands and Germany sign trade agreement |
| November 27 | German Parliament ratifies treaty of Locarno |
| November 28 | 7th French government of Briand sworn-in |
| November 28 | Grand Ole Opry premieres as WSM Barn Dance on WSM radio Nashville Tn |
| November 28 | NHL goalie Georges Vezina collapses and dies of TB 4 months later |
| December 1 | Treaty of Locarno signed |
| December 5 | 13th CFL Grey Cup: Ottawa Senators defeats Win Tammany Tigers, 24-1 |
| December 5 | German government of Luther falls |
| December 6 | Italy, Britain and Egypt sign Jaghbub accord (Italy) |
| December 6 | Record 73,000 pay to watch Chicago Bears beat New York Giants 19-7 |
| December 7 | Biltmore Theater opens at 261 W 47th St. New York City |
| December 7 | Noel Coward's "Easy Virtue," premieres in New York City |
| December 9 | AL extends Ban Johnson's contract to 1935 and raise to $40,000 |
| December 9 | Pro football a hit in New York City; Grange and Bears beat Giants before 73,000 |
| December 10 | George Bernard Shaw awarded Nobel |
| December 11 | Pope Pius XI publishes encyclical Quas Primas |
| December 12 | Arthur Heinman coins term "motel," opens Motel Inn, San Luis Obispo |
| December 12 | Cossack officer/ex-premier Reza Chan becomes shah of Persia |
| December 12 | Last Qajar Shah of Iran deposed; Rexa Shah Pahlavi takes over |
| December 15 | 1st hockey game at Madison Square Garden, Mont Candiens 3, New York Americans 1 |
| December 15 | 1st road with a depressed trough (Texas) opens to traffic |
| December 17 | Col William "Billy" Mitchell court-martial for insubordination |
| December 17 | Russia and Turkey sign non-aggresion pact |
| December 21 | Eisenstein's movie Potemkin premieres in Moscow |
| December 21 | Stork Hendry scores 325 for Victoria against New Zealand |
| December 23 | Sultan Ibn Saud of Nedzjed conquers Djeddah |
| December 26 | 1st East West football game at Ewing Park before 25,000 fans |
| December 26 | New York's Jake Forbes makes 67 saves, Pitt's Ray Waters makes 70 |
| December 26 | NHL record 141 shots as New York Americans (73) beat Pitt Pirates (68) 3-1 |
| December 26 | Turkey adopts Gregorian calendar |
| December 28 | George/Ira Gershwin's musical "Tip-Toes," premieres in New York City |
| December 30 | NSW score 705 against Victoria, go from 8-475 to 9-701 |
| December 31 | 14th congress of CPSU decides to accelerate industry |
