| January 1 | 1st time, ball signifying new year dropped at Times Square |
| January 1 | Jack Hobbs makes his Test debut at the MCG (83 and 28) |
| January 2 | Canadian branch of the Royal Mint opens in Ottawa |
| January 7 | England beat Australia by one wicket at the MCG |
| January 9 | Frans Schollaert succeeds De Trooz as premier of Belgium |
| January 9 | Muir Woods National Monument, California established |
| January 13 | French pilot Henry Farman is 1st European to fly roundtrip |
| January 13 | Rhodes Opera House burns in Boyertown Pa, killing 170 |
| January 13 | Stanley Cup: Montreal Wanderers sweep Ottawa Victorias in 2 games |
| January 15 | C Hill and R J Hartigan make 8th wkt partnership 243 for Australia |
| January 16 | Pinnacles National Monument, California established |
| January 18 | Frederick Delius' "Brigg Fair," premieres |
| January 21 | August Strindberg's "Spoksonaten," premieres in Stockholm |
| January 21 | New York City regulation makes it illegal for a woman to smoke in public |
| January 23 | U.S. and Great Britain demand end of abuses in Congo |
| January 24 | General Baden-Powell starts Boy-Scouts |
| January 25 | John Blockx' opera "Baldie" premieres in Antwerp |
| January 27 | Pasiphae, a satellite of Jupiter, discovered by Melotte |
| January 29 | Alpha Phi Alpha Fraternity, at Cornell University, incorporates |
| February 3 | Supreme Court rules a union boycott violates Sherman Antitrust Act |
| February 7 | Connie Mack sells hurler Rube Waddell to St. Louis Browns for $5,000 |
| February 8 | Wilhelmina '08 soccer team forms in Weert, Netherlands |
| February 10 | Tommy Burns KOs Jack Palmer in 4 for heavyweight boxing title |
| February 11 | Australia regain the Ashes with a 308 run cricket victory vs England |
| February 11 | Heemskerk's government begins in Holland |
| February 12 | Anna Jeanes bequeaths $1,000,000 to Swarthmore to become all female |
| February 12 | New York to Paris auto race (via Alaska and Siberia) begins in New York City George Schuster wins after 88 days behind the wheel |
| February 18 | 1st U.S. postage stamps in rolls issued |
| February 25 | 1st tunnel under Hudson River (railway tunnel) opens |
| February 27 | Sacrifice fly adopted (repealed in 1931, reinstated 1954) |
| February 27 | Star #46 was added to U.S. flag for Oklahoma |
| February 28 | Failed assassination attempt on Shah Mohammed Ali in Teheran |
| February 29 | Dutch scientists produce solid helium |
| March 4 | Collingwood Ohio primary school catches fire; 180 die |
| March 5 | 1st ascent of Mount Erebus, Antarctica |
| March 7 | Cincinnati Mayor Mark Breith stood before city council and announces that, "women are not physically fit to operate automobiles" |
| March 8 | Collingwood Elementary, Cleveland, burns, kills 173 kids and 2 teachers |
| March 8 | Dutch utopist Frederick of Eden speaks in Carnegie Hall, New York |
| March 12 | Stanley Cup: Mont Wanderers sweep Win Maple Leafs in 2 games |
| March 14 | Stanley Cup: Mont Wanderers beat Toronto Trolley Leaguers, 6-4 |
| March 15 | 1st performance of Maurice Ravel's "Rapsodie Espagnole" |
| March 17 | Quickest world heavyweight title fight (Burns KOs Roche in 88 seconds) |
| March 17 | Tommy Burns KOs Jem Roche in 1 for heavyweight boxing title |
| April 2 | Mills Committee declares baseball was invented by Abner Doubleday |
| April 3 | Frank Gotch wins world heavyweight wrestling championship in 2 hours |
| April 5 | British premier Henry Campbell-Bannerman resigns |
| April 8 | Lord Asquith succeeds Henry Campbell-Bannerman as British premier |
| April 12 | Fire makes 17,000 homeless in Chelsea Massachusetts |
| April 13 | Groundbreaking on Philadelphia's Shibe Park (home of A's and Phillies) |
| April 16 | Natural Bridges National Monument forms near Lake Powell, Utah |
| April 18 | Tommy Burns KOs Jewy Smith in 5 for heavyweight boxing title |
| April 20 | 12th Boston Marathon won by Tom Morrissey of New York in 2:25:43.2 |
| April 21 | Frederick A. Cook claims to reach North Pole, he didn't |
| April 22 | Queensland beat NSW by 171 runs for their 1st cricket win at Gabba |
| April 23 | Denmark, Germany, England, France, Netherlands and Sweden sign North Sea accord |
| April 24 | Mr. and Mrs. Jacob Murdock become 1st to travel across U.S. by car, they leave Los Angeles in a Packard and arrive in New York City in 32d-5h-25m |
| April 27 | 4th modern Olympic games opens in London |
| May 1 | World's most intense shower (2.47" in 3 minutes) at Portobelo, Panama |
| May 5 | 34th Kentucky Derby: Arthur Pickens on Stone Street wins in 2:15.2 |
| May 5 | Great White Fleet arrives in San Francisco |
| May 9 | Dirk Fock becomes governor of Suriname |
| May 10 | 1st Mother's Day observed |
| May 12 | George Bernard Shaws' "Getting Married," premieres in London |
| May 12 | Wireless Radio Broadcasting is patented by Nathan B. Stubblefield |
| May 14 | 1st passenger flight in an airplane |
| May 21 | 1st horror movie (Dr. Jekyll and Mr. Hyde) premieres in Chicago |
| May 21 | Bill Burns has no-hitter broken up with 2 outs in 9th |
| May 23 | Dirigible explodes over San Francisco Bay, 16 passengers fall, none die |
| May 23 | Part of Great White Fleet arrives in Puget Sound, Washington |
| May 24 | Belgium Catholic socialist/liberal parliamentary election |
| May 24 | John Masefields "Tragedy of Nan," premieres in London |
| May 30 | 1st federal workmen's compensation law approved |
| May 30 | 42nd Belmont: Joe Notter aboard Colin win |
| May 30 | Aldrich Vineland Currency Act forerunner to Federal Reserve System |
| May 30 | Paris advocate E Archdeacon is 1st passenger in a airplane |
| May 30 | U.S. Assay Office in Salt Lake City, Utah authorized |
| May 31 | Miss Pottelsberghe de la Pottery is 1st airplane passenger (Belgium) |
| June 1 | John Krohn begins walk around perimeter of U.S., which took 357 days |
| June 2 | 33rd Preakness: Eddie Dugan aboard Royal Tourist wins in 1:46.4 |
| June 10 | 1st flying club, Aeronautical Society of New York, opens |
| June 12 | Lusitania crosses Atlantic in record 4 days 15 hours, New York City |
| June 13 | Tommy Burns KOs Bill Squires in 8 for heavyweight boxing title |
| June 15 | World congress for Woman's rights opens in Amsterdam |
| June 24 | Yankees replace Clark Griffith with Kid Elberfeld as manager who is destined to have worse won-lost percentage of any Yankee manager 27-71 (.276) |
| June 30 | Boston's Cy Young's 2nd no-hitter, beats New York Highlanders, 8-0 |
| June 30 | Giant fireball impacts in Siberia (Tunguska Event) (Enckes comet) |
| July 4 | New York Giant George "Hooks" Witse no-hits Philadelphia Phillies, 1-0 in 10 inn |
| July 6 | Robert Peary's expedition sails from New York City for north pole |
| July 7 | Great White Fleet leaves San Francisco Bay |
| July 9 | CHU (Christian Historic Union) Dutch political party forms |
| July 10 | H Kamerlingh Onnes makes helium liquid (-269 degrees C) |
| July 13 | 4th modern Olympic games opens in London |
| July 19 | Feyenoord soccer team forms in Rotterdam |
| July 24 | John Hayes wins 4th olympics marathon (2:55:18.4 world record) |
| July 26 | Predecessor of the FBI is created by the Department of Justice |
| July 29 | St. Louis Browns Rube Waddell strikes out 16 Philadelphia Athletics |
| July 30 | Around the World Automobile Race ends in Paris |
| August 6 | St. Louis Card John Lush's 2nd no-hitter, beats Dodgers, 2-0 in 6 inn |
| August 13 | Cy Young Day in Boston, he pitches briefly against an All-Star team |
| August 14 | Race riot in Springfield Illinois |
| August 17 | B Tarkington and HL Wilson's "Man from Home," premieres in New York City |
| August 17 | Bank of Italy opens new HQ at Clay and Montgomery |
| August 20 | Congo Free State becomes Belgian Congo |
| August 24 | New York Giants scores shown on electric diamonds known as "Compton's Baseball Bulletin" at MSG |
| August 24 | Tommy Burns KOs Bill Squires in 13 for heavyweight boxing title |
| August 25 | Allen Winter wins U.S. 1st $50,000 trotting race |
| August 25 | National Association of Colored Nurses, forms |
| August 27 | Calgary City Rugby Foot-ball Club re-organizes as the Tigers |
| August 28 | 14th U.S. Golf Open: Fred McLeod shoots a 322 at Myopia Hunt Club Mass |
| August 29 | N.Y. gives a ticker tape parade to returning U.S. Olympians from London |
| September 2 | Tommy Burns KOs Bill Lang in 6 for heavyweight boxing title |
| September 3 | James Barries "What Every Woman Knows," premieres in London |
| September 4 | Caledonia and Hillhurst Football Clubs play for Central Alberta Rugby Football League championship |
| September 5 | Dodger Nap Rucker no-hits Boston Braves, 6-0 |
| September 9 | Orville Wright makes 1st 1-hour airplane flight, Fort Myer, Va |
| September 9 | Russia takes part of Poland |
| September 12 | Winston Churchill marries Clementine Hozier |
| September 16 | Carriage-maker, William Durant, founded General Motors Corp |
| September 16 | William Crapo Durant incorporates General Motors in Janesville Wisc |
| September 17 | Thomas Selfridge becomes 1st fatality of powered flight |
| September 18 | Cleveland Indian Bob "Dusty" Rhoades no-hits Boston, 2-1 |
| September 19 | Gustav Mahler's 7th Symphony, premieres in Prague |
| September 20 | Chicago White Sox Frank Smith 2nd no-hitter, beats Philadelphia 1-0 |
| September 22 | Bulgaria declares independence from Ottoman Empire (Turkey) |
| September 23 | Giant Fred (Bonehead) Merkle fails to touch 2nd, causes 3rd out in 9th and disallows winning run (game ends tied, Cubs win replay and pennant) |
| September 23 | University of Alberta opens |
| September 24 | Robert B Rhoads becomes 1st Cleveland pitcher (Cleveland Naps) to toss a no-hit game, Cleveland 2, Boston 1 |
| September 25 | Cubs' Ed Reulbach becomes only pitcher to throw doubleheader shutout |
| September 26 | Ed Ruelbach shuts-out Dodgers in a doubleheader |
| September 29 | Calgary Rugby Football Union forms |
| September 30 | Maurice Maeterlinck's "L'oiseau Blue," premieres in Moscow |
| October 1 | 1st Dutch electric railway in use (Rotterdam-The Hague) |
| October 1 | Henry Ford introduces Model T car |
| October 1 | Jack Chesbro's final Yankee victory, beats Walter Johnson 2-1 |
| October 2 | Addie Joss perfect game stops Ed Walsh 1-0 who won 40 in a row |
| October 5 | Bulgaria declares independence from Turkey, Ferdinand I becomes Tsar |
| October 5 | White Sox Ed Walsh tops Detroit 6-1 for his 40th victory |
| October 6 | Austria annexes Bosnia and Herzegovina |
| October 6 | Tigers beat White Sox, 7-0 to win AL pennant |
| October 6 | Yankees lose 100th game of year go 51-103 for season |
| October 7 | Crete revolts against Turkey and aligns with Greece |
| October 7 | Serbia and Montenegro sign anti-Austria-Hungarian pact |
| October 8 | New York Giants set season attendance record at 910,000 (broken in 1920) |
| October 10 | Baseball Writers Association, formed |
| October 14 | Baseball Writers Association of America, forms |
| October 14 | Cubs beat Tigers 4 games to 1 in 5th World Series, 1st rematch |
| October 14 | Smallest crowd at World Series, 6,210 fans see Cubs beat Tigers |
| October 16 | Edmonton Rugby Foot-ball Club re-organizes as Esquimoux |
| October 18 | Belgium annexes Congo Free State |
| October 20 | King Leopold II sells Congo to Belgium |
| October 24 | Billy Murray hits the charts with "Take Me Outto the Ball Game" |
| October 31 | 4th Olympic games ends in London |
| November 3 | William Howard Taft (R) elected 27th President over William Jennings Bryan |
| November 4 | Brooklyn Academy of Music, opens in New York City |
| November 6 | Leonid Andreyevs "Dui Nashey Zhizni," premieres in St. Petersburg |
| November 7 | Dutch capture Venezuelan navy |
| November 10 | 1st Gideon Bible put in a hotel room |
| November 14 | Albert Einstein presents quantum theory of light |
| November 14 | Oscar Strauss' musical "Der tapfere Soldat," premieres in Vienna |
| November 16 | Arturo Tuscanini begins conducting New York's Metropolitan Opera |
| November 22 | 1st US-Japanese baseball game Reach All-Americans defeat Waseda U, 5-0 |
| November 25 | Dorando Pietri (It) beats Johnny Hayes (U.S.) in MSG marathon by 60 yards |
| November 28 | 154 men die in coal mine explosion at Marianna Pa |
| December 2 | Pu Yi (Hsuan-T'ung) became China's Last Emperor at age 3 |
| December 3 | Edward Elgar's 1st Symphony in A, premieres |
| December 4 | Haiti's president-General Alexis Nord flees from military coup |
| December 5 | 1st football uniform numerals used (University of Pittsburgh) |
| December 11 | Frederick Delius' "In a Summer Garden," premieres |
| December 16 | 1st credit union in U.S. forms, Manchester, New Hampshire |
| December 25 | Jack Johnson KO Tommy Burns and becomes 1st black heavyweight champ |
| December 26 | Jack Johnson TKOs Tommy Burns in 14 for heavyweight boxing title |
| December 28 | Earthquake strikes Messina, Italy; 80,000 die |
| December 28 | Messina, Italy struck by an earthquake (nearly 80,000 died) |
| December 29 | Patent granted for a 4-wheel automobile brake, Clintonville, Wisc |
| December 30 | Stanley Cup: Mont Wanderers outscore Edmonton, 13-10 in 2 game set |