| January 1 | Belorussian SSR established |
| January 2 | Anti-British uprising in Ireland |
| January 2 | Lithuania gains independence |
| January 5 | National Socialist Party (Nazi) forms as German Farmers Party |
| January 5 | Spartacus uprising in Berlin: state of siege |
| January 11 | 3 year old German Communist Party (Spartacus) crushed |
| January 11 | Romania annexes Transylvania |
| January 13 | Dutch Soccer team OSV forms |
| January 14 | John McGraw, Charles A Stoneham, and Judge McQuade buy New York Giants |
| January 15 | 2 million gallons of molasses flood Boston MA, drowning 21 |
| January 15 | Frank Wedekind's "Die letzten Tage der Menschheit," premieres |
| January 15 | Pianist and statesman Ignace Paderewski becomes 1st premier of Poland |
| January 15 | Semana Tragica (Tragic Week): Bloodbath in Buenos Aires |
| January 15 | W Collison and O Harbach's "Up in Mabel's Room," premieres in New York City |
| January 16 | Prohibition ratified by 3/4 of states; Nebraska is 36th |
| January 18 | WW I Peace Congress opens in Versailles, France |
| January 19 | "Tidal wave" of molasses 15 m high x 25 m wide kills dozens, Boston |
| January 21 | Sinn Fein proclaims parliament of Free Ireland |
| January 25 | Founding of League of Nations, 1st meeting 1 year later |
| January 29 | Secretary of state proclaims 18th amendment, prohibition |
| January 30 | Reds hire Pat Moran as manager as Christy Mathewson, is still in France with U.S. Army |
| February 1 | Dodgers trade Jake Daubert to Reds for Tommy Griffith Daubert |
| February 2 | Monarchist riot in Portugal |
| February 3 | Herbert/Blossom's musical "Velvet Lady," premieres in New York City |
| February 3 | League of Nations 1st meeting (Paris) |
| February 3 | Socialist conference convenes (Berne Switzerland) |
| February 4 | City of Bremen's Soviet Republic overthrown |
| February 5 | NL President John Heydler dismisses charges that Hal Chase bet against his team and threw games in collusion with gamblers |
| February 6 | 1st day of 5-day Seattle general strike |
| February 11 | Friedrich Ebert (SPD), elected president of Germany |
| February 14 | United Parcel Service forms |
| February 15 | American Legion organizes in Paris |
| February 18 | Cy Denneny of NHL Ottawa Senators scores record 52nd goals |
| February 19 | Pan-African Congress, organized by W. E. B. Du Bois (Paris) |
| February 20 | French premier Clemenceau injured during assassination attempt |
| February 21 | German National Meeting accepts Anschluss: incorporation of Austria |
| February 21 | Revolutionary strike in Barcelona |
| February 25 | League of Nations set up by Paris Treaty |
| February 25 | Oregon is 1st state to tax gasoline (1 cent per gallon) |
| February 26 | Acadia National Park forms (as Lafayette N P), Maine |
| February 26 | Congress forms Grand Canyon National Park in Arizona |
| February 27 | 1st public performance of Holst's "Planets" |
| February 27 | American Association for Hard of Hearing forms (New York City) |
| March 1 | Demonstrations for Korean independence from Japan begin |
| March 2 | 1st congress of Communist International opens at the Kremlin |
| March 3 | 1st international air mail service from U.S., Seattle-Victoria, British Columbia |
| March 3 | Communist Party in Germany announces a general strike |
| March 5 | Louis Hirsch and Harold Atteridge's musical premieres in New York City |
| March 6 | NHL Championship: Montreal Canadiens beat Ottawa Senators, 3 games to 1 with 1 tie |
| March 11 | General strike in Germany, crushed |
| March 12 | Austrian National Meeting affirms Anschluss (incorporate into Germany) |
| March 12 | George Bernard Shaw's "Augustus Does His Bit," premieres in New York City |
| March 15 | American Legion forms (Paris) |
| March 16 | Frank Wedekind's "Elius Erweckung," premieres in Hamburg |
| March 17 | Dutch steel workers strike for 8 hour day and minimum wages |
| March 18 | Order of DeMolay forms in Kansas City |
| March 23 | Bashkir ASSR, in RSFSR, constituted |
| March 23 | Benito Mussolini forms Fascist movement in Milan, Italy |
| March 23 | Moscow's Politburo/Central Committee forms |
| March 29 | Stanley Cup: Mont (NHL) and Seat (PCHA) win 2 games each with 1 tie, 1919 Stanley Cup not awarded due to flu epidemic |
| March 30 | Belgian Army occupies Dusseldorf |
| March 30 | Gandhi announces resistance against Rowlatt Act |
| March 30 | Paul Claudel's "Tate d'Or," premieres in Paris |
| March 31 | Strike against Ruhrgebied government of Scheidemann |
| April 3 | Austria expels all Habsburgers |
| April 5 | Eamon de Valera becomes president of Dail Eireann |
| April 5 | Heavyweight Jess Willard KOs Jack Johnson in Havana |
| April 5 | Polish Army executes 35 young Jews |
| April 7 | 1st parcel of land is purchased for Cleveland Metroparks |
| April 12 | British Parliament passes a 48-hour work week with minimum wages |
| April 13 | Amritsar Massacre-British Army fires on nationalist rioters in India |
| April 13 | British forces kill 100s of Indian Nationalists (Amritsar Massacre) |
| April 19 | 23rd Boston Marathon won by Carl Linder of Mass in 2:29:13.4 |
| April 19 | French assembly decides on 8 hour work day |
| April 19 | Leslie Irvin of U.S. makes 1st parachute jump and free fall |
| April 19 | Opera "Monsieur Beaucaire" is produced (London) |
| April 20 | Polish Army captures Vilno, Lithuania from Soviet Army |
| April 23 | Major leagues open a reduced 140-game season |
| April 28 | 1st jump with Army Air Corp (rip-cord type) parachute (Les Irvin) |
| April 30 | Phillies beat Brooklyn Dodgers 9-0 in 20 innings |
| May 1 | Mount Kelud (Indonesia) erupts, boiling crater lake which broke through crater wall killing 5,000 people in 104 small villages |
| May 2 | 1st U.S. air passenger service starts |
| May 3 | Afghanistan Emir Amanoellah begins war against Great Britain |
| May 3 | America's 1st passenger flight (New York - Atlantic City) |
| May 4 | 1st legal Sunday baseball game in New York City (Phillies beat Giants 4-3) |
| May 4 | FVC soccer team forms |
| May 4 | Giants play their 1st legal Sunday home game, 35,000 see Phils win 4-3 |
| May 6 | Paris Peace Conference disposes of German colonies; German East Africa is assigned to Britain and France, German SW Africa to South Africa |
| May 8 | 1st transatlantic flight take-off by a Navy seaplane |
| May 8 | Appingedam soccer team forms |
| May 10 | 45th Kentucky Derby: Johnny Loftus aboard Sir Barton wins in 2:09.8 |
| May 10 | Race riot in Charleston, South Carolina, 2 blacks killed |
| May 11 | Yankees' Jack Quinn and Senators' Walter Johnson, 12 inning 0-0 tie |
| May 12 | Yankees and Senators play 2nd straight extra inning tie, 4-4 in 15 |
| May 14 | 45th Preakness: Johnny Loftus aboard Sir Barton wins in 1:53 |
| May 14 | Pope Benedictus XV publishes encyclical In hac tanta |
| May 15 | Brooklyn Dodgers score 10 runs in 13th to beat Reds 10-0 |
| May 20 | Volcano Keluit on Java, erupts killing 550 |
| May 25 | Casey Stengel releases a sparrow from under his baseball cap |
| May 27 | 1st transatlantic flight ends; U.S. Navy flying boat takes 11 days |
| May 27 | Charles Strite patents pop-up toaster |
| May 28 | Armenia declares it's Independence |
| May 29 | Charles Strite patents pop-up toaster |
| May 29 | Einstein's light-bending prediction confirmed by Arthur Eddington |
| May 31 | 1st wedding held in an aircraft (over Houston, Texas) |
| May 31 | NC-4 aircraft commanded by AC Read completes 1st crossing of Atlantic |
| June 1 | Rhineland Republic forms in Wiesbaden |
| June 2 | Pulitzer prize awarded to Carl Sandburg, Cornhuskers |
| June 3 | Liberty Life Insurance Co (Chicago) organized by blacks |
| June 4 | Senate passes Women's Suffrage bill |
| June 4 | U.S. Marines invade Costa Rica |
| June 6 | Assent is given to an Act to amend the Canadian Currency Act, 1910 |
| June 6 | Finland declares war on bolsheviks |
| June 9 | General steel strike in France |
| June 11 | 23rd U.S. Golf Open: Walter Hagen shoots a 301 at Brae Burn CC Mass |
| June 11 | 51st Belmont: J Loftus aboard Sir Barton wins in 2:17.6 and Trip Crown |
| June 12 | Dutch 2nd Chamber accord for equal Christian-public education |
| June 14 | 1st nonstop air crossing of Atlantic (Alcock and Brown) |
| June 15 | 1st nonstop Atlantic flight, Alcock and Brown, lands in Ireland |
| June 17 | "Barney Google" cartoon strip, by Billy De Beck, premieres |
| June 20 | German government of Scheideman resigns |
| June 20 | Treaty of Versailles: Germany ends incorporation of Austria |
| June 21 | Bauer forms German government |
| June 21 | German Admiral von Reuter scuttles his own captured fleet |
| June 23 | Nitti government forms in Italy |
| June 25 | 1st advanced monoplane airliner flight (Junkers F13) |
| June 25 | Revolt of Spartacus in Hamburg |
| June 26 | N.Y. Daily News begins publishing |
| June 28 | Carl Mazes pitches a complete doubleheader against New York Yankees |
| June 28 | Harry S Truman marries Elizabeth Virginia Wallace in Independence |
| June 28 | Treaty of Versailles ending WW I signed in France |
| July 1 | 1st class postage drops from 3 cents to 2 cents |
| July 1 | Scheveningen soccer team forms in Scheveningen |
| July 4 | ADGB (Allgemeine Deutsche Gewerkschaftsbund) party forms |
| July 4 | Cincinnati Reds are 10 games back in NL, and win World Series |
| July 4 | Jack Dempsey KOs Jess Willard in Cuba for heavyweight championship |
| July 5 | 32nd Wimbledon Womens Tennis: S Lenglen beats Chambers (10-8 46 97) |
| July 5 | Red Sox Babe Ruth hits 2 home runs in a game for his 1st of 72 times |
| July 6 | British R-34 lands in New York, 1st airship to cross Atlantic (108 hours) |
| July 6 | William Veeck, sportswriter, replaces Fred Mitchell as Cubs president |
| July 7 | Phillies tie major league record of 8 steals in 9 inn game |
| July 8 | President Wilson returns to New York City from Versailles Peace Conference |
| July 10 | Dutch 1st Chamber approves woman suffrage |
| July 10 | President Wilson personally delivers Treaty of Versailles to Senate |
| July 11 | Dutch 2nd chamber approves 8-hour day/No Sunday work |
| July 13 | Race riots in Longview and Gregg counties Texas |
| July 17 | Finland adopts constitution |
| July 17 | Yankees 21 hits, Browns 17 hits Browns win 7-6 in 17, on squeeze play |
| July 21 | Anthony Fokker's establishes airplane factory at Hamburg and Amsterdam |
| July 21 | Dirigible crashes through bank skylight killing 13 (Chicago, Ill) |
| July 22 | De Falla and Massine's "Three-cornered Hat," premieres in London |
| July 24 | Race Riot in Washington D.C. (6 killed, 100 wounded) |
| July 27 | Chicago race riot, 15 whites and 23 blacks killed, 500 injured |
| July 28 | Vrije Vakbewegings Internationale (VVI) forms in Amsterdam |
| July 31 | Germany accepts Weimar Constitution |
| August 1 | Queen Wilhelmina opens 1st Air Fair in Amsterdam |
| August 1 | Treffers soccer team forms in Groesbeek |
| August 6 | 1st air flight over a major body of water in Australia (Harry Butler) |
| August 6 | Romanian forces destroys Bela Kun Republic in Budapest |
| August 8 | Treaty of Rawalpindi, British recognize Afghanistan's independence |
| August 10 | Ukrainian National Army massacres 25 Jews in Podolia Ukraine |
| August 11 | Weimar Republic begins in Germany |
| August 13 | British troops fire on Amritsar India demonstrators; killing 350 |
| August 13 | Man o'War's only defeat (Upset wins at Saratoga) |
| August 14 | White Sox Happy Felsch ties record of 4 outfield assists in a game |
| August 14 | Yankee Muddy Ruel hits into a triple-play |
| August 18 | Anti-Cigarette League of America forms in Chicago, Illinois |
| August 19 | Afghanistan declares independence from U.K. |
| August 20 | Wichita outfielder Joe Wilhoit (Western League) fails to get a hit, ending a 69-game streak (155 hits in 299 at bats for a .505 avg) |
| August 23 | "Gasoline Alley" cartoon strip premieres in Chicago Tribune |
| August 24 | Cleveland pitcher Ray Caldwell is flattened by a bolt of lightning |
| August 25 | 1st scheduled passenger service by airplane (Paris-London) |
| August 28 | General John Smuts becomes premier of South Africa |
| August 30 | Ernst Toller's "Die Wandlung," premieres in Berlin |
| August 31 | John Reed forms American Communist Labor Party in Chicago |
| August 31 | Petlyura's Ukrainian Army kills 35 members of a Jewish defense group |
| August 31 | Ukranian (Petlyura) Army recaptures Kiev |
| September 1 | Frank Wedekind's "Herakles," premieres in Munich |
| September 2 | Communist Party of America organizes in Chicago |
| September 2 | Italy agress to general voting right/proportional representation |
| September 2 | National Commission recommends a best-of-9 World Series |
| September 4 | 39th U.S. Mens Tennis: William M Johnston beats Wm T Tilden (64 64 63) |
| September 4 | British intervene in Petrograd |
| September 8 | Babe Ruth hits his 26th home run off Jack Quinn in New York, breaking Buck Freeman's 1899 home run mark of 25 |
| September 9 | Boston's police force forms strike |
| September 10 | Indian's Ray Caldwell no-hits Yankees 3-0 |
| September 10 | New York City welcomes home General John J Pershing and 25,000 WW I soldiers |
| September 10 | Treaty of St. Germain: Austria ends incorporation with Germany |
| September 11 | U.S. Marines invade Honduras |
| September 13 | Guy Bolton and George Middleton's "Adam and Eve," premieres in New York City |
| September 14 | British regime forbids Sinn Fein Dail |
| September 16 | American Legion incorporated by an act of Congress |
| September 16 | Dutch Ruether beats Giants 4-3 to clinch Cincinnati 1st NL pennant |
| September 18 | Dutch 2nd Chamber accepts female suffrage |
| September 18 | Hurricane tides 16 feet above normal drown 280 along Gulf Coast |
| September 20 | 2nd PGA Championship: Jim Barnes at Engineers CC Roslyn NY |
| September 20 | Babe Ruth ties Ned Williamson's major league mark of 27 home runs |
| September 20 | Booth Tarkington's "Clarence," premieres in New York City |
| September 21 | 33rd U.S. Womens Tennis: Hazel H Wightman beats M Zinderstein (61 62) |
| September 24 | Babe Ruth sets season homer mark at 28 off of Yankee Bob Shawkey |
| September 25 | President Woodrow Wilson is paralyzed by a stroke |
| September 26 | U.S. President Wilson hit by a heart attack |
| September 27 | Babe Ruth's 29th home run is 1st of year in Washington (1st in every park in league in one season) |
| September 27 | British troops withdraw from Archangelsk |
| September 27 | Democratic National Committee voted to allow female members |
| September 27 | Pitcher Bob Shawkey sets then Yank record with 15 strike-outs |
| September 28 | Fastest major league game (51 minutes), Giants beat Phillies 6-1 |
| September 30 | Avery Hopwood's "Gold Diggers," premieres in New York City |
| October 1 | World Series begins as a best of 9 affair, White Sox intentionally throw this series to satisfy gamblers (Black Sox Scandal) |
| October 2 | 1st edition "Volkskrant" (People's newspaper) published in Netherlands |
| October 2 | President Woodrow Wilson has a stroke, leaving him partially paralyzed |
| October 3 | Reds Adolfo Luque is 1st Latin player to appear in a World Series |
| October 3 | Serbian, Croatian and Slavic parliment accord for 8 hour work day |
| October 5 | Norwegian population agrees to prohibition |
| October 6 | Stambuliski becomes premier of Bulgaria |
| October 6 | White Sox catcher Ray Schalk is 2nd man ejected from a World Series |
| October 7 | 1st London-Amsterdam airline service (British Aerial Transport and KLM) |
| October 7 | Fritz Kreisler and F Jacobi's "Apple Blossoms," premieres in New York City |
| October 7 | KLM, Netherlands Airlines, established (oldest existing airline) |
| October 10 | Richard Strauss and Hugo van Hofmannsthals premieres in Vienna |
| October 11 | 1st transcontinental air race ends |
| October 13 | Race riot at Elaine Arkansas |
| October 15 | 14 horses begin 300-mile race from Vt to Mass for $1000 prize money |
| October 17 | Radio Corporation of America (RCA) created |
| October 19 | 1st Distinguished Service Medal awarded to a woman |
| October 19 | Reds beat White Sox, 5 games to 3 in 16th World Series. This series is known as black sox scandal as 8 White Sox throw series |
| October 23 | Romberg and Atteridge's musical "Passing Show," premieres in New York City |
| October 26 | B. C. Hilliams musical "Buddies," premieres in New York City |
| October 26 | Elgars "Cello concerto op 85" premieres in Queen's Hall London |
| October 26 | President Wilson's veto of Prohibition Enforcement Bill is overridden |
| October 27 | U.S. Congress sign Volstead Act |
| October 28 | Volstead Act passed by Congress, start prohibition over Wilson's veto |
| October 30 | Baseball league presidents call for abolishment of spitball |
| November 5 | Ir Steringa Idzerda begins hosting "soiree-musical" on Dutch radio |
| November 6 | 1st Dutch radio program: Soiree Musicale with "Turf in you(r) ransel" |
| November 7 | U.S. police raid offices of Union of Russian Workers |
| November 10 | 1st observance of National Book Week |
| November 10 | American Legion's 1st national convention (Minneapolis) |
| November 11 | Pope Benedictus XV states Roman Catholics political/business views |
| November 12 | Ross and Keith Smith start a 1 month flight from London to Australia |
| November 14 | Red Army captures Omsk, Siberia |
| November 15 | Senate 1st invokes cloture to end a filibuster (Versailles Treaty) |
| November 16 | Admiral Horthy conquerors Budapest from Bela Kuns Soviet Republic |
| November 18 | H Tierney and J McCarthy's musical "Irene," premieres in New York City |
| November 19 | U.S. Senate rejects Treaty of Versailles and League of Nations |
| November 20 | 1st municipally owned airport in U.S. opens (Tucson Az) |
| November 22 | 15,000 men are cremated at Domela Newenhouse, Amsterdam |
| November 22 | Labor conference committee in U.S. urges 8-hour work day and 48-hour week |
| November 27 | Peace of Neuilly-sur-Seine: Allies and Bulgaria |
| November 28 | US-born Lady Astor elected 1st female member of British Parliament |
| December 1 | AA Milne's "Mr Pim Passes By," premieres in Manchester |
| December 1 | Lady Nancy Astor sworn-in as 1st female member of British Parliament |
| December 10 | NL votes to ban the spitball's use by all new pitchers |
| December 10 | Nobel peace prize awarded to U.S. president Wilson |
| December 10 | NY, Boston, and Chicago, oppose AL resolution accusing Ban Johnson of overstepping his duties |
| December 11 | Boll weevil monument dedicated in Enterprise, Ala |
| December 13 | Ross and Smith land in Australia from a flight from London |
| December 15 | Edna St. Vincent Millay's "Aria da Capo," premieres in New York City |
| December 15 | Fiume (Rijeka) declares its Independence |
| December 17 | Austria parliament approves 8-hour day |
| December 19 | American Meteorological Society found |
| December 20 | Canadian National Railways established (North America's longest, 50,000 KM) |
| December 20 | U.S. House of Representatives restricts immigration |
| December 21 | J Edgar Hoover deports anarchists/feminist Emma Goldman to Russia |
| December 22 | Government of Ireland Act of Power (Home Rule for Ireland) |
| December 22 | U.S. deports 250 alien radicals, including anarchist Emma Goldman |
| December 23 | 1st hospital ship built to move wounded naval personnel launched |
| December 23 | Alice H Parker patents gas heating furnace |
| December 26 | Yankees and Red Sox reach agreement on transfer of Babe Ruth |
| December 27 | Red Sox owner Harry Frazee announces they will deal any player except Harry Hooper, Hooper is sent to the White Sox after 1920 season |
BrainyHistory
