| January 1 | Dutch law makes driver's license mandatory |
| January 4 | South Africa beat England by one wicket, their 1st Test win |
| January 6 | Maurice Ravel's "Miroirs," premieres in Paris |
| January 12 | 1st time Dow Jones closes above 100 |
| January 12 | Football rules committee legalizes forward pass |
| January 13 | 1st radio set advertised (Telimco for $7.50 in Scientific American) claimed to receive signals up to one mile |
| January 16 | Conference of Algeciras (about Morocco) |
| January 19 | Gerhart Hauptmann's "Und Pippa Tanzt!," premieres in Berlin |
| January 25 | Del Valle Inclans "El Marques de Bradomin," premieres in Madrid |
| January 27 | Rudolf Gundersen skates world record 500m at 44.8 sec |
| January 29 | Coen de King skates world record time: 32,370 km |
| January 31 | Strongest instrumentally recorded earthquake, Colombia, 8.6 Richter |
| February 1 | 1st federal penitentiary building completed, Leavenworth, Kansas |
| February 1 | English Minister of Foreign affairs Edward Grey's wife Dorothy fatally injured |
| February 2 | Pope encyclical against separation of church and state |
| February 9 | Natal proclaims state of siege in Zulu uprising |
| February 10 | Britain's 1st modern and largest battleship "HMS Dreadnought" launched |
| February 10 | State of siege proclaimed in Zululand |
| February 12 | George Cohan's musical "George Washington," premieres in New York City |
| February 15 | British Labour Party organizes |
| February 17 | Theodore Roosevelt's daughter Alice marries in the White House |
| February 19 | Will Keith Kellogg found Battle Creek Toasted Corn Flake Co. |
| February 22 | Black evangelist William J. Seymour arrives in Los Angeles California |
| February 23 | Tommy Burns beats Marvin Hart in 20 for heavyweight boxing title |
| February 27 | France and Britain agree to joint control of New Hebrides |
| February 28 | Stanley Cup: Ottawa Silver 7 sweep Queen's U (Kingston Ont) in 2 games |
| March 3 | Vuia I aircraft built by Romanian Traja Vuia tested in France |
| March 6 | Cubs sign 3rd baseman Harry Steinfeldt to complete Tinker-Evers-Chance |
| March 6 | Heavy storm bursts dike flooding Vlissingen, Netherlands |
| March 6 | Nora Blatch is 1st woman elected to American Soc of Civil Engineers |
| March 7 | Finnish Senate accepts universal suffrage, except for poor |
| March 8 | Stanley Cup: Ottawa Silver 7 sweep Smiths Falls (Ont) in 2 games |
| March 10 | 1st performance of Maurice Ravel's "Sonatine" |
| March 10 | Coal dust explosion kills 1,060 at Courrieres France |
| March 10 | London Underground opens Bakeroo line (Baker Street to Waterloo Line) |
| March 12 | Heavy storm ravages Dutch west coast |
| March 14 | Calgary City Rugby Foot-ball Club forms |
| March 15 | Brits Rolls, Royce and Johnson form Rolls Royce Ltd. |
| March 17 | President Theodore Roosevelt uses term "muckrake" |
| March 17 | Stanley Cup: Montreal Wanderers beat Ottawa Silver 7, although both winning a game, Montreal outscores Ottawa 12-10 |
| March 19 | Ermanno Wolf-Ferrari's "Quattro Rusteghi," premieres in Munich |
| March 20 | George B. Shaws "Captain Brassbound's Conversion," premieres in London |
| March 24 | "Census of the British Empire" shows England rules 1/5 of the world |
| March 29 | Stanley Cup: Montreal Wanderers sweep Kenora Thisles in 2 games |
| March 31 | GB Shaws German version of "Caesar and Cleopatra," premieres in Berlin" |
| April 2 | South Africa complete a 4-1 series drubbing of England |
| April 5 | St. Pius X encyclical "On the Mariavites or Mystic Priests of Poland" |
| April 6 | 1st animated cartoon copyrighted |
| April 7 | Act of Algeciras drawn between Moroccan police and banking business |
| April 9 | 3rd modern Olympic games opens in Athens |
| April 11 | Einstein introduces his Theory of Relativity |
| April 13 | Mutiny on Portuguese battleships Dom Carlos and Vasco da Gama |
| April 14 | President Theodore Roosevelt denounces "muckrakers" in U.S. press |
| April 18 | 8.25 earthquake shakes San Francisco California |
| April 18 | Calvinist Reformed Union in Netherlands Church forms in Utrecht |
| April 18 | San Francisco earthquake and fire kills nearly 4,000 and destroys 75% of city |
| April 19 | 10th Boston Marathon won by Tim Ford of Mass in 2:45:45 |
| April 19 | Belgian naval education ship Comte The Stain de Naeyer sets sail |
| April 22 | 10th anniversary Olympic games open at Athens, Greece |
| April 22 | New rule puts umpire in sole charge of all game balls |
| April 26 | 1st motion pictures shown in Hawaii |
| May 1 | Phillie's John Lush no-hits Brooklyn Dodgers, 6-0 |
| May 2 | 32nd Kentucky Derby: Roscoe Troxler aboard Sir Huon wins in 2:08.8 |
| May 3 | British-controlled Egypt takes Sinai peninsula from Turkey |
| May 6 | "Temporary" permit to erect overhead wires on Market St. SF |
| May 8 | Philadelphia A's pitcher Chief Benders plays outfield and hits 2 home runs |
| May 10 | Russia's Duma (Parliament) meets for 1st time |
| May 13 | Bezalel Art School opens in Jerusalem |
| May 14 | Flagpole at the White Sox ballpark breaks during pennant-raising |
| May 15 | New York Giants' Hooks Wiltse strikes out 4 batters in 1 inning |
| May 17 | Switzerland's Simpion Tunnel open to rail traffic |
| May 19 | Federated Boys' Club (Boys' Club of America) organizes |
| May 19 | Italian King Victor Emmanuel and Swiss president open Simplon tunnel |
| May 19 | Portugal's King Carlos I names Joao Franco premier |
| May 21 | Louis H. Perlman patents a demountable tire carrying rim for cars |
| May 22 | 10th anniversary Olympic games close at Athens, Greece |
| May 22 | 31st Preakness: Walter Miller aboard Whimsical wins in 1:45 |
| May 22 | Wright Brothers patent the aeroplane |
| May 25 | After 20 straight losses, Boston Americans win vs. Chicago White Sox 3-0 |
| May 26 | Archaeological Institute of America forms |
| May 27 | 1st outlining of Gustav Mahler's 6th symphony, in Essen |
| May 28 | Shields/Cobbs musical "His honor, the Mayor," premieres in New York City |
| May 30 | 40th Belmont: Lucien Lyne aboard Burgomaster wins in 2:20 |
| May 31 | Attack on King Alfonso XIII and Victoria von Battenberg in Madrid |
| June 3 | Belgian King Leopold II calls Congo his private possession |
| June 7 | Chicago Cubs score 11 in 1st inning, beating New York Giants 19-0 |
| June 7 | Famous Cunard passenger liner Lusitania launches |
| June 9 | Boston Beaneaters (NL) end 19-game losing streak beat Cards 6-3 |
| June 14 | Pogrom against Jews in Bialystok, Polish Russia |
| June 22 | Hakon VII crowned king of Norway |
| June 26 | Hongar Szisz wins 1st Grand-Prix (Le Mans, France) |
| June 29 | 12th U.S. Golf Open: Alex Smith shoots a 295 at Onwentsia Club Ill |
| June 30 | John Hope becomes 1st black president of Morehouse College |
| June 30 | Pure Food and Drug Act and Meat Inspection Act adopted |
| July 2 | Yankees win by forfeit, for their 1st time |
| July 4 | Great Britain, France and Italy grant Independence to Ethiopia |
| July 12 | Alfred Dreyfus found innocent in France |
| July 15 | Republic museum opens Rembrandt hall in Amsterdam |
| July 20 | Bkln Dodger Mal Eason no-hits St. Louis Cardinals, 2-0 |
| July 23 | Pogroms against Jews in Oddessa |
| July 28 | Yankees turn triple-play, beat Cleveland 6-4 |
| August 1 | Bkln Dodger Harry McIntire no-hits Pitts for 10 2/3 loses in 13th |
| August 2 | Chicago White Sox begin AL record 19 game win streak |
| August 3 | Washington National's pitcher Tom Hughes hits home run to win his own game 1-0 in 10th |
| August 10 | Pope Pius X bans Associations cults |
| August 13 | Black soldiers raid Brownsville Texas |
| August 13 | Cub's Pitcher Jack Taylor ends a string of completing 202 games (187 complete, 15 relief) by Dodgers in 3rd inning |
| August 15 | 1st freight delivery tunnel system begins, underneath Chicago |
| August 16 | 8.6 earthquake destroys Valparaiso Chile, fire kills 20,000 |
| August 22 | 1st Victor Victrola manufactured |
| August 23 | Chicago White Sox win 19th straight, beating Washington Senators |
| August 23 | Cuba's 1st president Tomas Estrada Palma asks for U.S. intervention |
| August 24 | Cincinnati Red John Weimer no-hits Dodgers, 1-0 in 7 inning game |
| August 29 | Bridge in St. Lawrence Canada caves in; 70 die |
| August 29 | William J. Clothier wins the U.S. Tennis Open |
| August 30 | Hal Chase became 1st Yank to hit 3 triples in a game |
| August 30 | New York Highlander Joe Doyle debuts pitching back-to-back shut-outs |
| September 1 | Alberta adopts Mountain Standard Time |
| September 1 | British New Guinea becomes Australian Papua New Guinea |
| September 1 | Joseph Harris (Boston) and Jack Coombs (A's) pitch complete 24 inn game |
| September 1 | New York Highlanders win 6th game in 3 days from Washington (3 straight DHs) |
| September 1 | Papua placed under Australian administration |
| September 3 | Yankees win 2nd game on a forfeit over A's; 2nd forfeit win |
| September 4 | New York Highlanders win 5th straight doubleheader |
| September 5 | 1st legal forward pass (Brandbury Robinson to Jack Schneider) |
| September 13 | 1st airplane flight in Europe |
| September 16 | Kaarlo Nieminen wins 1st Finnish marathon |
| September 16 | Roald Amundsen discovers Magnetic South Pole |
| September 17 | Playing as "Sullivan," Columbia U jr Eddie Collins debuts with A's |
| September 21 | Yankee 1st baseman Hal Chase's 22 put-outs ties record |
| September 24 | St. Louis Card Stony McGlynn no-hits Dodgers, 1-1 in 7 inning game |
| September 24 | V Herbert and H Blossom's musical "Red Mill," premieres in New York City |
| September 25 | John Galsworthy's "Silver Box," premieres in London |
| September 26 | Pitts Lefty Leifield no-hits Phillies, 8-0 in 6 inning game |
| September 28 | U.S. troops reoccupy Cuba, stay until 1909 |
| September 29 | U.S. intervenes in Cuba ousts dictator Estrada Palma |
| October 1 | Hugh Jennings resigns as Baltimore manager to take over at Detroit in 1907 |
| October 2 | Tommy Burns KOs Jim Burns in 15 for heavyweight boxing title |
| October 3 | SOS adopted as warning signal by 1st conference on wireless telegraphy |
| October 3 | U.S. regime names Charles Magoon, governor of Cuba |
| October 3 | William Vaughan Moody's "Great Divide," premieres in New York City |
| October 4 | Chicago Cubs win their 116th game (116-36 .763) of year |
| October 5 | Henry Mathewson (New York Giants, Christy's brother) walks 14 men |
| October 8 | Karl Nessler demonstrates 1st 'permanent wave' for hair, in London |
| October 11 | San Francisco begins school for "Asians" |
| October 11 | White Sox Ed Walsh strikes out then record 12 in a World Series game |
| October 14 | All Chicago World Series, 1st AL victory, White Sox win 4 games to 2 Cubs losers share of $439.50 is lowest for World Series |
| October 19 | Georges Chemenceau succeeds Sarien premier of France |
| October 20 | Dr. Lee DeForest demonstrated his electrical vacuum tube (radio tube) |
| October 22 | 3,000 blacks demonstrate and riot in Philadelphia |
| October 25 | U.S. inventor Lee de Forest patents "Audion," a 3-diode amplification valve which proved a pioneering development in radio and broadcasting |
| October 28 | Belgian-British "Union Minstry of Haut-Katanga" begins |
| October 31 | George Bernard Shaw's "Caesar and Cleopatra," premieres in New York City |
| November 6 | Charles Evans Hughes (R) elected New York Governor beats William Randolph Hearst |
| November 9 | T. Roosevelt is 1st President to visit other countries (P Rico and Panama) |
| November 11 | Ethel Smyth' "Standrecht," premieres in Leipzig |
| November 12 | C W Gregory (NSW vs. Qld) starts day at 48*, is 366* at stumps |
| November 13 | C W Gregory out for 383 as NSW make 763 vs. Queensland |
| November 14 | Roosevelt becomes 1st U.S. President to visit a foreign country (Panama) |
| November 18 | Langdon Mitchells "New York Idea," premieres in New York City |
| November 19 | London selected to host 1908 Olympics |
| November 20 | George Bernard Shaws "Doctor's Dilemma," premieres in London |
| November 21 | China prohibits opium trade |
| November 22 | International Radio Telecommunications Com adopts "SOS" as new call for help |
| November 23 | Joseph Smith, leader of the Mormon Church, convicted of polygamy |
| November 28 | Tommy Burns and Jack O'Brien fight to a draw in 20 for hw boxing title |
| December 1 | Cinema Omnia Pathe, world's 1st cinema, opens (Paris) |
| December 1 | Shoemaker Wilhelm Voigt (Captain of Kopenick) sentenced to 4 yrs |
| December 4 | Alpha Phi Alpha, 1st Black Greek Letter Fraternity, forms |
| December 5 | British government-Balfour resigns |
| December 9 | NY American reports Belgian King Leopold II bribed U.S. Senate commission on the Congo |
| December 10 | President Theodore Roosevelt (1st American) awarded Nobel Peace Prize |
| December 11 | U.S. president Roosevelt attacks abuses in the Congo |
| December 12 | Oscar Straus, 1st Jewish government member, appointed Secretary of Commerce |
| December 13 | German chancellor Bernhard von Bulow disbands the Parliament |
| December 20 | Venezuela (under vice-president Gomez) attacks Dutch fleet |
| December 24 | Reginald A Fessenden became 1st to broadcast music over radio (Mass) |
| December 27 | 1st annual meeting of American Sociological Society, Providence, RI |
| December 28 | Ecuador adopts its constitution |
| December 29 | Montreal Wanderers beat New Glasgow (NS) for Stanley Cup (2nd of 1906) |
| December 30 | Iran becomes a constitutional monarchy |
| December 31 | French/British/Italian treaty concerning rights on Abyssinia |