| January 1 | 1st scheduled airline flight, St. Petersburg-Tampa (Tony Jannus pilot) |
| January 1 | Klaas ter Laan becomes Netherlands 1st socialist mayor (Zaandam) |
| January 1 | Northern and Southern Nigeria united in British colony of Nigeria |
| January 2 | Philips installs research department in Eindhoven |
| January 3 | Kelman/Cushing/Heath' musical "Sari," premieres in New York City |
| January 5 | Ford Motor Co wages jump from $2.40/9-hr day to $5.00/8-hr day |
| January 6 | Stock brokerage firm of Merrill Lynch founded |
| January 7 | 1st steamboat passes through Panama Canal |
| January 10 | 1st edition of Hague's Post under San Francisco van Oss, published |
| January 10 | Oscar Mathisen skates world record 500 m in 43.7 sec in Oslo |
| January 13 | IWW-leader/songwriter Joe Hill arrested "Girl from Utah" East-Prussia |
| January 14 | Henry Ford introduces assembly line, for T-Fords |
| January 16 | Writer Maksim Gorki returns to Russia |
| January 17 | Gerhart Hauptmann's "Der Bogen des Odysseus," premieres in Berlin |
| January 22 | Paul Claudel's "L'echange," premieres in Paris |
| January 24 | Opera "Madeleine," premieres in New York City |
| January 26 | 600 Dutch textile workers go on strike |
| January 26 | Vatican puts Belgian Nobel winner Maeterlinck's works in their index |
| January 28 | 1st Millrose Games (athletics) held (New York City) |
| January 28 | Beverly Hills, California, is incorporated |
| February 1 | New York Giants and Chicago White Sox play an exhibition baseball game in Egypt |
| February 1 | Pennsylvania State Board of [motion picture] censors appointed |
| February 1 | Tanganyika Railway opens |
| February 2 | James Royce Shannon's musical "Shameen Dhu," premieres in New York City |
| February 4 | U.S. Congress approves Burnett-anti-immigration law |
| February 7 | Charlie Chaplin debuts "The Tramp" in "Kid Auto Races at Venice" |
| February 7 | Steel work completed on Exposition (Civic) Auditorium, San Francisco |
| February 8 | General Zamon becomes president of Haiti |
| February 13 | American Society of Composers, Authors and Publishers-ASCAP forms in New York City |
| February 14 | High Council of Labor forms in Hague Netherlands |
| February 16 | 1st airplane flight from Los Angeles to San Francisco |
| February 19 | Riccardo Zandonai's opera "Francesco da Rimini," premieres in Turin |
| February 21 | White Wolf troops attack Zhanjiang China |
| February 24 | Frank Craven's "Too Many Cooks," premieres in New York City |
| February 26 | New York Museum of Science and Industry incorporated |
| February 28 | Construction begins on Tower of Jewels for the Exposition (San Francisco) |
| March 1 | Dutch Minister of war H Colijn named director of British Petroleum |
| March 7 | Prince Wilhelm von Wied becomes King of Albania |
| March 9 | Henry Colijn appointed as director of Bataafsche Petroleum Co |
| March 9 | U.S. Senator Albert Fall (Teapot Dome) demands "Cubanisation of Mexico" |
| March 10 | Suffragettes in London damages painter Rokeby's Venus of Velasquez |
| March 14 | Serbia and Turkey sign peace treaty |
| March 18 | White Wolf gang beats government army in Jingdezhen China |
| March 19 | Stanley Cup: Tor Blueshirts (NHA) sweep Vict Capitals (PCHA) in 3 game |
| March 20 | 1st international figure-skating tournament held in U.S., New Haven |
| March 21 | U.S. Ladies Figure Skating championship won by Theresa Weld |
| March 21 | U.S. Mens Figure Skating championship won by Norman M Scott |
| March 22 | World's 1st airline, St. Petersburg Tampa Airboat Line, begins |
| March 27 | 1st successful blood transfusion (in Brussels) |
| April 1 | UVS Soccer team forms in Lead |
| April 4 | "Perils of Pauline" shown for 1st time in Los Angeles |
| April 8 | U.S. and Colombia sign a treaty concerning Panama Canal Zone |
| April 9 | 1st full color film shown "World, Flesh and Devil" in London |
| April 9 | Tampico incident - U.S. ship crew arrested in Mexico |
| April 9 | "World, the Flesh and the Devil," 1st color film, shown in London |
| April 11 | George Bernard Shaw's "Pygmalion," premieres |
| April 13 | 1st Federal League Game: Baltimore Terrapins beat Buffalo 3-2 |
| April 14 | Stacy G Carkhuff patents non-skid tire pattern |
| April 20 | 18th Boston Marathon won by James Duffy of Canada in 2:25:01.2 |
| April 20 | 33 killed by soldiers during mine strike in Ludlow, Colorado |
| April 21 | U.S. Marines occupy Vera Cruz, Mexico, stay 6 months |
| April 22 | Babe Ruth's 1st professional game (as a pitcher) is a 6-hit 6-0 win |
| April 22 | Mexico ends diplomatic relations with U.S. |
| April 28 | 181 die in coal mine collapse at Eccles, West Virginia |
| April 28 | W. H. Carrier patents air conditioner |
| May 1 | China's 1st president Yuan Shikai wins dictatorial qualification |
| May 6 | British House of Lords rejects women suffrage |
| May 7 | U.S. Congress establishes mother's day |
| May 7 | Woodrow Wilson's daughter Eleanor marries in White House |
| May 9 | 40th Kentucky Derby: John McCabe aboard Old Rosebud wins in 2:03.4 |
| May 9 | President Wilson proclaims Mother's Day |
| May 14 | Chicago Jim Scott no-hits Cleveland, gives up 2 hits in 10th and loses 1-0 |
| May 15 | Henri Rabauds opera "Marouf, Savetier de Caire," premieres in Paris |
| May 16 | American Horseshoe Pitchers Association organizes in Kansas City |
| May 16 | Ewing Field, near Masonic Street, opens |
| May 21 | 39th Preakness: Andy Schuttinger aboard Holiday wins in 1:53.8 |
| May 21 | Greyhound Bus Co begins in Minnesota |
| May 25 | British House of Commons passes Irish Home Rule |
| May 29 | Ship rams Canadian ship Empress of Ireland on St. Lawrence R; 1024 die |
| May 31 | Chicago White Sox Joe Benz no-hits Cleveland Indians, 6-1 |
| June 1 | Oscar Egg bicycles world record time (44,247 km) |
| June 2 | Glenn Curtiss flies his Langley Aerodrome |
| June 6 | 1st air flight out of sight of land, Scotland to Norway |
| June 8 | 34.7 degrees F (1.5 degrees C) in De Bilt, Netherlands |
| June 9 | Honus Wagner, is 2nd to get 3,000 hits |
| June 13 | 28th U.S. Womens Tennis: Mary K Browne beats Marie Wagner (62 16 61) |
| June 18 | Oscar Egg bicycles world record time (44,247 km) |
| June 19 | 54th British Golf Open: Harry Vardon shoots a 306 at Prestwick Club |
| June 20 | 46th Belmont: Merritt Buxton aboard Luke McLuke wins in 2:20 |
| June 24 | King Peter I of Serbia names son Alexander the Prince-regent |
| June 27 | Jack Johnson beats Frank Moran in 20 for heavyweight boxing title |
| June 27 | U.S. signs treaty of commerce with Ethiopia |
| June 28 | Austria invades Siberia, WW I |
| June 30 | Mahatma Gandhi's 1st arrest, campaigning for Indian rights in South Africa |
| July 4 | 1st U.S. motorcycle race (300 miles, Dodge City Ks) |
| July 5 | Boston Braves are 15 games back in NL, and win World Series |
| July 5 | Germany offers Austria war aid to fight against Russia in Serbia |
| July 7 | Baltimore Orioles' (IL) owner Jack Dunn offers Babe Ruth, Ernie Shore and Ben Egan for $10,000 to Connie Mack, who refuses, pleading poverty |
| July 9 | 1st U.S. duplicate auction bridge championship held, Lake Placid, New York |
| July 10 | Boston Red Sox purchase Babe Ruth from Baltimore Orioles |
| July 11 | Babe Ruth debuts as a pitcher for Boston Red Sox, he beats Cleveland 4-3 |
| July 12 | Babe Ruth makes his baseball debut, pitches for Red Sox |
| July 14 | 1st patent for liquid-fueled rocket design granted, Dr. Robert Goddard |
| July 14 | NL's Boston Braves start climb from last place to world series sweep |
| July 15 | Mexican president Huerta flees with 2 million pesos to Europe |
| July 16 | Socialist conference in Brussel (Kautsky, Trotski and Rosa Luxemburg) |
| July 17 | Giants outfielder Red Murray is knocked unconscious by lightning after catching a flyball, ending 21 inning game, Giants win 3-1 |
| July 18 | U.S. Army air service 1st comes into being, in Signal Corps |
| July 19 | Boston Braves begin drive from last to 1st place in NL |
| July 20 | Armed resistance against British rule begins in Ulster |
| July 23 | Austria-Hungary issues ultimatum to Serbia leading to WW I |
| July 25 | Germany soc-democrat "No German blood for Austrian tyrant" |
| July 25 | Last day of club cricket for W G Grace at age 66 He made 69 |
| July 26 | Austrian-Hungary condemns Serbian ultimatum |
| July 26 | British Ministry of Navy Winston Churchill orders British fleet to remain |
| July 26 | German chief of staff/General von Moltke states ultimatum on Belgium |
| July 27 | Roda JC soccer team forms in Kerkrade |
| July 28 | Foxtrot 1st danced at New Amsterdam Roof Garden (NYC, by Harry Fox) |
| July 28 | Minister of Navy W Churchill routes British fleet to Scapa Flow |
| July 28 | World War I began when Austria-Hungary declares war on Serbia |
| July 29 | 1st transcontinental phone link made between New York City and SF |
| July 29 | Austrian-Hungary bombs Belgrade |
| July 29 | British fleet leaves Portland/passes Straits of Dover |
| July 29 | Russia mobilize troops along Austrian boundary |
| July 30 | Austrian-Hungary and Russia proclaim general mobilization |
| July 30 | French troops withdraw 10 km from German border |
| July 30 | John French appointed British supreme commander |
| July 31 | German Emperor Wilhelm II threatens war, orders Russia to demobilize |
| July 31 | Oil discovered in Lake of Maracaibo |
| August 1 | British fleet reaches Scapa Flow |
| August 1 | Emperor Wilhelm II declares war on his nephew tsar Nicolas II (WW I) |
| August 1 | France and Germany mobilize |
| August 1 | Trois Vierges: German 69th infantry regiment enter Luxembourg Germany declares war on Russia in WW I |
| August 2 | Belgian government receives German ultimatum |
| August 2 | German press falsely reports that French bombed Nuremberg |
| August 2 | German troops overthrows Luxembourg |
| August 2 | Germany and Turkey signs secret treaty |
| August 2 | Great Britain mobilizes |
| August 2 | Postdam Conference ended |
| August 2 | Russian troops invade Eastern Prussia |
| August 2 | Sherlock Holmes Adventure "His Last Bow" takes place |
| August 3 | 1st seaworthy ship through Panama Canal |
| August 3 | Belgium rejects demand to allow free crossing for German army |
| August 3 | French fleet sails to North-Africa |
| August 3 | German battle cruiser Goeben leaves Messina |
| August 3 | Germany invades Belgium and declares war on France in WW I |
| August 3 | Great Britain declares war on Germany |
| August 3 | Turkey signs military pact with Germany |
| August 3 | World Alliance for Promoting International Friendship through Churches forms |
| August 3 | Yankee catcher Nunamaker throws out 3 would be stealers in 1 inning |
| August 4 | German army shoots Belgian priests/burns down village of Battice |
| August 4 | German fleet under Admiral Souchon fire on Algerian coast |
| August 4 | Germany declares war on Belgium; Britain declares war on Germany |
| August 4 | King Albert I becomes supreme commander of Belgian army |
| August 4 | Lord Kitchener becomes British minister of War |
| August 4 | U.S. declares neutrality in WW I |
| August 5 | 1st traffic light installed, Euclid Ave and E 105th St, Cleveland |
| August 5 | Cuba, Uruguay, Mexico and Argentina proclaim neutrality in WW I |
| August 5 | Dutch Cort Van de Linden government issues silver bonds as money |
| August 5 | Massive German assault on forts around Luik |
| August 5 | Montenegro declares war against Austria-Hungary in World War I |
| August 5 | U.S. beats Australia, 3-2, to win Davis Cup |
| August 5 | U.S., Nicaragua sign treaty granting canal rights to U.S. |
| August 5 | Westerschelde leaves due to German invasion in Belgium |
| August 6 | Austria-Hungary declares war on Russia and Serbia |
| August 6 | French cavalry enter Belgium |
| August 6 | German Zeppelin bombs Liege City, 9 killed |
| August 6 | Serbia declares war against Germany |
| August 7 | British Gloucester vs German Breslau/Goeben off Greece |
| August 7 | French government awards king Albert of Belgium the Great Cross |
| August 7 | French troops under General Bonneau occupy Altkitrch at Elzas |
| August 7 | German army occupies city of Liege Belgium |
| August 7 | Lord Kitchner says "Your country needs you," poster spreads over UK |
| August 8 | 3rd pole expedition Ernest Shackleton "Endurance" |
| August 8 | French troops under General Bonneau occupy Mulhouse at Elzas |
| August 8 | Montenegro declares war on Germany |
| August 9 | German submarine U-15 sinks British cruiser |
| August 10 | At Luik, German 12"/16.5" guns reach Belgian boundary |
| August 10 | German battle cruiser Goeben reaches Dardanellen/Turkey joins Germany |
| August 10 | German troops reconquer Mulhouse in Elzas |
| August 10 | Royal Nationally Steuncomite forms |
| August 11 | France declares war on Austria-Hungary |
| August 11 | Jews are expelled from Mitchenick Poland |
| August 11 | John Wray patents animation |
| August 12 | Cavalery battle at Halen, Belgium ("Battle der Zilveren Helmen") |
| August 12 | German 16.5"/12" guns fires on forts round Luik |
| August 12 | Great Britain declares war on Austria-Hungary |
| August 12 | Russian troops take East-Prussia and occupy Marggrabowa |
| August 13 | Carl Wickman begins Greyhound, the 1st U.S. bus line, in Minnesota |
| August 13 | France declares war on Austria-Hungary, leading to WW I |
| August 13 | German army occupies forts at Luik |
| August 14 | British field marshal John French and General Wilson land in France |
| August 15 | 13th Davis Cup: Australasia beats USA in New York (3-2) |
| August 15 | Dinant Belgium destroyed by German bombs |
| August 15 | German assault at Dinant: Lt Charles de Gaulle (24), injured |
| August 15 | Japan joins side of allies |
| August 15 | Panama Canal opens (under cost) |
| August 16 | German army occupies last fort at Luik, Belgian general Leman caught |
| August 16 | Zapata and Pancho Villa over run Mexico |
| August 17 | French troops under General de Castelnau occupy Chateau Salins |
| August 17 | Lithuiana surrenders to Germans |
| August 18 | Belgian army withdraws to Antwerp |
| August 18 | French troops under general Dubail occupy Sarrebourg |
| August 18 | President Wilson issues "Proclamation of Neutrality" |
| August 19 | Elmer Rice' "On Trial," premieres in New York City |
| August 19 | German army executed 150 Belgians by firing squad |
| August 19 | German fleet bombs English coast |
| August 19 | Harris Theater (Candler, Coan and Harris) opens at 226 W 42nd St. New York City |
| August 20 | Battle at Gumbinnen, East-Prussia: Russian beat Germans |
| August 20 | Battle at Morhange: German troops chase French, killing 1000s |
| August 20 | Battle of Bounderies: Lorraine, Ardennen, Sambre and Meuse, Mons |
| August 20 | Bavarian troops kill 50 inhabitants of Nomeny France |
| August 20 | German army captured Brussels as the Belgian army retreated to Antwerp |
| August 21 | 20th U.S. Golf Open: Walter Hagen shoots a 290 at Midlothian CC Ill |
| August 21 | Belgium: German troops occupy Tamines |
| August 21 | French offensive in the Ardennen/Sambre |
| August 22 | 1st encounter between British and German troops (in Belgium) |
| August 22 | Battle at Charleroi: General von Bulows troops beat French |
| August 22 | Battle in Ardennen: Neufchateau, Rossignal, Tintigny and Virton |
| August 22 | Canada's Finance Act, 1914, receives assent |
| August 22 | General Martos' troops occupy Soldau/Neidenburg East Prussia |
| August 22 | German troops execute 384 inhabitants of Tamines Belgium |
| August 22 | Von Ludendorff and von Hindenburg move into E Prussia enroute to Russia |
| August 23 | Battle at Mons: general von Klucks troops beat Britten |
| August 23 | General von Hausen executes 612 inhabitants of Dinant Belgium |
| August 23 | German troops plunder Belgium |
| August 23 | Japan declares war on Germany in World War I |
| August 24 | Battle at Bergen: Germans defeat Belgian/British troops |
| August 24 | German troops occupy Namur Belgium |
| August 24 | Jerome Kern and Michael E Rourles musical premieres in New York City |
| August 25 | Belgian offensive at Antwerp |
| August 25 | Belgium: German army begins 6 week plundering of Leuven Belgium |
| August 25 | German troops march into France pushes French army to the Sedan |
| August 25 | German Zeppelins bomb Antwerp Belgium, 10 die |
| August 26 | Battle of Tannenberg - 8th German army defeats Russian Narev army |
| August 26 | Russian army atacks Austrian army in Galicia |
| August 27 | 2nd day of battle at Tannenberg: German bombs Usdau |
| August 27 | U.S. war reporter Richard H. Davis visits Leuven |
| August 28 | 3rd day of battle at Tannenberg: violent German/Russian battles |
| August 28 | Battle at Helgoland: British fleet beats German, 1100 killed |
| August 28 | John French evacuate Amiens |
| August 29 | 4th day of Tannenberg: Russian Narev-army panics, General Martos caught |
| August 29 | Arizonian is 1st vessel to arrive in San Francisco via Panama Canal |
| August 29 | Battle at St. Quentin: French counter attack under General Lanrezac |
| August 30 | 1st German plane bombs above Paris, 2 killed |
| August 30 | Battle at Tannenberg ends in destruction of Russian 2nd Narev army |
| August 31 | 24.8 cm rainfall at Bloomingdale, Michigan, state record |
| August 31 | General von Kluck decides not to attack Paris |
| August 31 | German troops reconquer Soldau/Neidenburg East-Prussia |
| August 31 | Germany defeats Russia (battle at Tannenberg/30,000 Russians die) |
| September 1 | 34th U.S. Mens Tennis: R Norris W III beats M E McLoughlin (63 86 10-8) |
| September 1 | Lord Kitchener arrives in Paris |
| September 1 | St. Petersburg, Russia changes name to Petrograd |
| September 1 | Von Glucks army meets up with British expeditionary army |
| September 2 | General von Hausen and countess of France regime flees to Bordeaux |
| September 3 | British expeditionary army/general Lanrezacs army attacks the Marne |
| September 3 | Cardinal Giacome della Chiesa becomes Pope Benedict XV |
| September 3 | French troops vacate Reims |
| September 3 | Prince Wilhelm von Wied leaves Albania |
| September 4 | British, French and Russian government sign Pact of London, against Germany |
| September 4 | General von Moltke ceases German advance in France |
| September 5 | Battle of Marne (WW I) begins: Germans chase out Russians |
| September 5 | French headquarters move to Chatillon-sur-Seine |
| September 5 | Gr Britain/France/Belgium/Russia sign pact of London |
| September 5 | Proclamation prohibits Canadian mint from issuing gold coins |
| September 6 | Battle of Marne; Germans prevented from occupying Paris |
| September 7 | New York Post Office Building opens to public |
| September 8 | British trader Oceanic sinks off Scotland |
| September 9 | Battle of Marne (German advance stalls, Paris saved) |
| September 9 | Belgian offensive from Antwerp |
| September 9 | Boston Brave George Davis no-hits Philadelphia Phillies, 7-0 |
| September 11 | T Handy publishes "St. Louis Blues" |
| September 12 | Yankee shortstop Roger Peckinpaugh, 23, becomes youngest manager |
| September 14 | German staff-chief von Moltke replaces von Falkenhayn |
| September 14 | German troops withdraw from Aisne/invent trenches |
| September 15 | Battle of Aisne begins between Germans and French during WW I |
| September 15 | U.S. Marines march out of Vera Cruz, Mexico |
| September 18 | Battle of Aisne ends with Germans beating French during WW I |
| September 18 | General von Hindenburgs named commander of German armies on Eastern Front |
| September 18 | Irish home rule bill receive Royal assent |
| September 18 | South African troops land in German South West Africa |
| September 19 | Brooklyn's Ed Lafitte no-hits Kansas City (Federal League), 6-2 |
| September 22 | 1 German submarine sinks 3 British ironclads, 1,459 die |
| September 23 | Reds drop their 19th straight game, then beat Boston Braves |
| September 26 | Federal Trade Commission formed to regulate interstate commerce |
| September 26 | Germans arrest A Max, mayor of Brussels |
| September 27 | Cleveland 2nd baseman Nap Lajoie collects his 3,000th hit |
| September 28 | German forces move into Antwerp Belgium (WW I) |
| September 29 | Boston Braves, who were in last place in mid-July, clinch NL pennant |
| October 4 | Dardanellen (French and English) fleet bombs Turkish forts |
| October 9 | German troops take Antwerp in World War I |
| October 10 | German forces route Belgians in Antwerp Belgium (WW I) |
| October 11 | German troops occupy Gent |
| October 12 | 1st battle at Ypres, begins |
| October 13 | Belgian regime forms at St. Adresse at Le Havre |
| October 13 | Boston Braves sweep Philadelphia A's, 1st sweep in World Series history |
| October 13 | Garrett Morgan invents and patents gas mask |
| October 13 | Pro-German Boers begin opposition of British authority in South Africa |
| October 14 | German troops occupy Brug |
| October 15 | ASCAP (American Society of Composers, Authors and Publishers) founded |
| October 15 | Battle of Warsaw, begins (ends Oct 21) |
| October 15 | Clayton Anti-trust Act passed (union and strike rights) |
| October 19 | U.S. Post Office 1st used an automobile to collect and deliver mail |
| October 21 | Battle of Warsaw ends with German defeat |
| October 27 | British battleship Audacious sunk by mine |
| October 28 | German battle cruiser Goeben enters Black Sea |
| October 28 | Omega Psi Phi Fraternity, founded at Howard University, incorporates |
| October 29 | Russia declares war on Turkey |
| October 29 | Turkish warships storm Black Sea |
| October 30 | Allied offensive at Ypres (Belgium) begins |
| October 31 | Great Britain and France declare war on Turkey |
| November 1 | Connie Mack asks waivers on Jack Coombs, Eddie Plank and Chief Colby |
| November 1 | German-British fleet battle at Coronel, Chile |
| November 1 | Pope Benedictus Xv's encyclical Ad beatissimi, against integrity |
| November 1 | Von Hindenburg named marshal of Eastern front |
| November 2 | Great Britain annexes Cyprus |
| November 2 | Russia declares war on Turkey |
| November 2 | V Herbert and H Blossoms "Only Girl," premieres in New York City |
| November 4 | Russia declares Turkey the war |
| November 4 | Vogue holds 1st model show ("Fashion Fete," New York City) |
| November 5 | Great Britain and France and Russia declares war on Turkey |
| November 7 | Japan attack German concession on Chinese peninsula of Shanghai |
| November 12 | Turks sultan Jamal Pasja declares a German holy war |
| November 14 | Billy Mallett of Hamilton Tigers kicks 10 singles in a game |
| November 15 | Italian socialist Benito Mussolini founds newspaper Il populo d'italia |
| November 16 | Federal Reserve System formally opens |
| November 16 | Pope Benedict XV calls for peace |
| November 17 | U.S. declares Panama Canal Zone neutral |
| November 20 | U.S. State Department starts requiring photographs for passports |
| November 21 | Billy Mallett of Hamilton Tigers kicks 9 singles in a game |
| November 21 | British army conquerors Bazra |
| November 22 | Ypres Belgium burned by German bombing |
| November 24 | Benito Mussolini leaves Italy's socialist party |
| November 24 | Dutch Overseas Trustmaatschappij (NOT) forms |
| November 26 | Battleship HMS Bulwark explodes at Sheerness Harbor England, 788 die |
| November 27 | 1st women elected political agent (Grantham, Linconshire UK) |
| December 2 | Austria army occupies Belgrade Serbia |
| December 3 | Netherlands army shoots up geinterneerde Belgian soldiers: 8 killed |
| December 4 | Walter Johnson accepts money from Federal League Chicago Whales Clark Griffith threatens to take Johnson to court |
| December 5 | 6th CFL Grey Cup: Toronto Argonauts defeats University of Toronto, 14-2 |
| December 6 | German troops over run Lodz |
| December 8 | British and German fleets battle at Falkland Island |
| December 8 | Connie Mack sells Eddie Collins to the White Sox |
| December 8 | Irving Berlin's musical "Watch your Step," premieres in New York City |
| December 10 | French government returns to Paris |
| December 11 | Stockton Street Tunnel (SF) completed |
| December 15 | Battle of Lodz ends; Russians retreat toward Moscow |
| December 15 | British fleet forfeits chance to destroy German fleet in North Sea |
| December 15 | Swedish troops over run Belgrade in Austria-Hungary |
| December 16 | French offensive in Artois (Petain) |
| December 17 | Austrian troops beat Russians in Limanova Poland |
| December 17 | Great Britain declares Egypt a protectorate |
| December 17 | Jews are expelled from Tel Aviv by Turkish authorities |
| December 21 | 1st feature-length silent film comedy, "Tillie's Punctured Romance" released. (Marie Dressler, Mabel Normand and Charles Chaplin) |
| December 21 | "Tillie's Punctured Romance," 1st six-reel feature comedy debuts |
| December 24 | German plane drops bombs on Dover England |
| December 25 | Legendary/unofficial "Christmas Truce" takes place (Brits and Germans) |
| December 31 | Colonel Jacob Ruppert and Cap Huston purchase New York Yankees for $460,000 |
