| January 2 | President T Roosevelt shuts down post office in Indianola Miss, for refusing to accept its appointed postmistress because she was black |
| January 5 | San Francisco - Hawaii telegraph cable opens for public use |
| January 6 | Dutch Press museum opens in Amsterdam |
| January 7 | Start of Sherlock Holmes "Adventure of Blanched Soldier" |
| January 7 | Vincent d'Indy's opera "L'etranger," premieres in Brussel |
| January 9 | 2 NYers buy Baltimore baseball franchise for $18,000 and moved it to NY |
| January 9 | Baseball's National and American Leagues make peace |
| January 9 | Frank Farrell and Bill Devery purchase AL Baltimore franchise for $18,000 and move it to New York City (Yankees) |
| January 9 | Wind Cave National Park, SD established |
| January 12 | Harry Houdini performs at Rembrandt theater, Amsterdam |
| January 19 | 1st regular transatlantic radio broadcast between U.S. and England |
| January 19 | New bicycle race "Tour de France" announced |
| January 21 | Harry Houdini escapes police station Halvemaansteeg in Amsterdam |
| January 21 | International Theater (Majestic, Park) opens at 5 Columbus Circle New York City |
| January 21 | "Wizard of Oz," premieres in New York City |
| January 29 | Dutch railroad workers strike |
| February 3 | Frederick Lugard occupies Kano West Africa |
| February 4 | Stanley Cup: Montreal AAA beat Winn Victorias, 2 games to 1 and 1 tie |
| February 7 | VVV '03 Soccer team forms in Venlo |
| February 11 | Anton Bruckner's 9th Symfonie premieres in Vienna |
| February 14 | U.S. Department of Commerce and Labor forms |
| February 15 | 1st Teddy Bear introduced in America, made by Morris and Rose Michtom |
| February 16 | -59 degrees F (-51 degrees C), Pokegama Dam, Minnesota (state record) |
| February 18 | Kuyper government launches anti strike laws |
| February 20 | Nick Young remains as NL president as AG Spalding ends challenge |
| February 21 | Cornerstone laid for U.S. Army war college, Washington, D.C. |
| February 22 | Due to drought the U.S. side of Niagara Falls runs short of water |
| February 23 | Cuban state of Guantanamo leased to USA |
| February 24 | U.S. signs agreement acquiring a naval station at Guantanamo Bay Cuba |
| February 28 | Barney Dreyfuss and James Potter buys Philadelphia Phillies for $170,000 |
| March 2 | Martha Washington Hotel, catering to women only, opens in New York City |
| March 3 | North Carolina becomes 1st state requiring registration of nurses |
| March 5 | Definitive treaty for construction of Baghdad railway drawn |
| March 10 | Harry Gammeter, Cleveland, patents multigraph duplicating machine |
| March 10 | Stanley Cup: Ottawa Silver 7 sweep Montreal AAA in 2 games |
| March 12 | New York Highlanders (Yankees) approved as members of AL |
| March 14 | 1st national bird reservation established in Sebastian, Florida |
| March 14 | Stanley Cup: Ottawa Silver 7 sweep Rat Portage Thisles in 2 games |
| March 14 | WB Yeats and Lady Gregory's "Hour-glass," premieres in Dublin |
| March 15 | Frederick Lugard occupies Sokoto West Africa |
| March 22 | New York Highlanders (Yankees) tickets 1st go on sale |
| March 22 | Niagera Falls runs out of water because of a drought |
| March 23 | Wright brothers obtain airplane patent |
| March 26 | American Hotel opens in Amsterdam |
| March 31 | Richard Pearse flies monoplane several hundred yards (New Zealand) |
| April 6 | General railroad strike against "worgwetten" (anti-strike laws) |
| April 14 | Dr. Harry Plotz discovers vaccine against typhoid in New York City |
| April 20 | 7th Boston Marathon won by John Lorden of Mass in 2:41:29.8 |
| April 20 | New York Highlanders play their 1st game, with Jack Chesbro losing 3-1 to Al Orth and Washington |
| April 22 | American Power Boat Association forms |
| April 22 | New York Highlanders (Yankees) 1st game, Senators win 3-1 before 11,950 |
| April 23 | New York Highlanders (Yankees) win their 1st game beating Washington Senators 7-2 |
| April 27 | 1st Highlander (Yankee) shut-out, Philadelphia A's win 6-0 |
| April 27 | Long Island's Jamaica Race Track opens |
| April 29 | Limestone slides at Turtle Mountain kills 9 (Frank Alberta) |
| April 30 | New York Highlanders (Yankees) 1st home game, (Hilltop Park-168th St. and Broadway, Manhattan), they beat Washington Senators, 6-2 |
| May 2 | 29th Kentucky Derby: Hal Booker aboard Judge Himes wins in 2:09 |
| May 3 | AVC Heracles (South Carolina Heracles '74) soccer team forms in Almelo |
| May 6 | Chicago White Sox commit 12 errors against Detroit Tigers |
| May 14 | President Theodore Roosevelt visits San Francisco |
| May 16 | 1st transcontinental motorcycle trip begins at San Francisco (George Wymann) |
| May 16 | George Wyman makes 1st motorcycle trip across the US |
| May 17 | Cleveland Indians beat New York Highlanders 9-2 in Columbus Ohio |
| May 23 | 1st automobile trip across U.S. from San Francisco to New York, ended April 1 |
| May 23 | 1st direct primary election law in U.S. adopted, by Wisconsin |
| May 26 | Start of Sherlock Holmes "Adventure of 3 Gables" |
| May 27 | 37th Belmont: John Bullman aboard Africander wins in 2:21.75 |
| May 27 | Queen Wilhelmina opens Berlages Merchants bureau in Amsterdam |
| May 30 | 28th Preakness: W Gannon aboard Flocarline wins in 1:44.8 |
| June 2 | Netherlands Korfball League forms |
| June 2 | Pirates win a triple header from Dodgers |
| June 12 | Niagara Falls, Ontario incorporated as a city |
| June 16 | 1st Highlander (Yankee) shut-out victory 1-0 over White Sox |
| June 16 | Ford Motors incorporates |
| June 16 | Pepsi Cola company forms |
| June 18 | 1st transcontinental auto trip begins in San Francisco; arrives New York 3-months later |
| June 21 | Sherlock Holmes "Adventure of Mazarine Stone" takes place |
| June 24 | Russia prohibits meetings dealing with Zionist |
| June 25 | Boston Beaneater Wiley Piatt is only 20th-century pitcher to lose 2 complete games in one day, falling to Pittsburgh 1-0 and 5-3 |
| June 25 | Yankees and White Sox end deadlocked at 6-6 in 18 |
| June 27 | 9th U.S. Golf Open: Willie Anderson shoots a 307 at Baltusrol Golf Club New Jersey |
| June 29 | British government protests against abuser in Belgian Congo |
| July 1 | 1st Tour de France bicycle race begins |
| July 2 | AL/NL batting champ Ed Delahanty, disappears, found dead days later |
| July 2 | Pitcher Jack Doscher, 1 son of a major leaguer debuts with Cubs |
| July 4 | Pacific Cable (SF, Hawaii, Guam, Phil) opens, President TR sends message |
| July 6 | George Wyman arrives in New York City by motorcycle 51 days out of SF |
| July 20 | Giuseppe Sarto elected Pope Pius X |
| July 23 | Ford Motor sells 1st Model A car |
| July 25 | Castle on top of Telegraph Hill closes |
| August 1 | 1st coast-to-coast automobile trip (SF-NY) completed |
| August 2 | Unsuccessful uprising of Macedonians against Turkey |
| August 4 | Cardinal Giuseppe Sarto of Venice elected Pope Pius X |
| August 8 | 3rd Davis Cup: British Isles beats USA in Boston (4-1) |
| August 8 | In 11th an old black ball is put into play against Cleveland, Tigers' Nap Lajoie protests ignored, he hurls ball out of park and forfeits game |
| August 14 | James J Jeffries KOs James J Corbett in 10 for heavywgt boxing title |
| August 16 | Tigers play a home game in Toledo, Ohio, Yankees win 12-8 |
| August 17 | Joe Pulitzer donated $1 million to Columbia U and begins Pulitzer Prizes |
| August 19 | Phillies suffer record 9th straight posponed game |
| August 23 | 6th Zionist Congres, Theodor Herzl declares Jewish state |
| August 26 | Phillies walk 17 Dodgers in a game |
| August 27 | 23rd U.S. Mens Tennis: Hugh L Doherty beats William A Larned (60 63 108) |
| August 31 | Joe McGinnity wins his 3rd doubleheader of month |
| September 6 | Start of Sherlock Holmes "Adventure of Creeping Man" |
| September 7 | Federation of American Motorcyclists organized in NY |
| September 9 | 6 km long Engadin-railroad tunnel of Switzerland inaugurated |
| September 14 | New York Giant Red Ames no-hits St. Louis, 5-0 in a 5 inning game |
| September 15 | Queen Wilhelmina calls railroad strikers "criminals" |
| September 17 | Boston Pilgrims clinch AL pennant, beating Cleveland, 14-3 |
| September 18 | Phillie's Chick Fraser no-hits Chicago Cubs, 10-0 |
| September 19 | King Leopold II deny Belgian cruelty in Congo |
| September 21 | 1st cowboy film "Kit Carson," premieres in U.S. |
| September 22 | Italo Marchiony granted patent for ice cream cone |
| September 24 | Alfred Deakin succeeds Edmund Baston as Australia premier |
| September 24 | Bill Bradley becomes 1st Cleveland baseball player (Cleveland Naps) to hit for cycle |
| October 1 | 1st baseball World Series, Pittsburgh Pirates vs Boston Pilgrims (Red Sox) |
| October 8 | J. M. Synge's "In the Shadow of the Glen," premieres in Dublin |
| October 9 | 11" (28.4 cm) rainfall in 24 hours (New York City) |
| October 12 | Lyric Theater opens at 213 W 42nd St. New York City |
| October 13 | Victor Herbert's "Babes in Toyland," premieres in New York City |
| October 16 | Homel, 1st Jewish self defense organization founded in Russia |
| October 20 | U.S. wins disputed boundary between District of Alaska and Canada |
| October 24 | 1st trotter to run a mile under 2 minutes (Lou Dillon 1:58.1) |
| October 24 | George Sutton becomes billard champ |
| October 25 | Senate begins investigating Teapot Dome scandals of Harding admin |
| October 26 | Yerba Buena is 1st Key System ferry to cross San Francisco Bay |
| November 2 | Lyceum Theater (New Lyceum) opens at 149 W 45th St. New York City |
| November 2 | New Amsterdam Theater opens at 214 W 42nd St. New York City |
| November 3 | Colombia grants Panama independence |
| November 6 | USA recognizea independence of Panama |
| November 15 | Eugen d'Alberts opera "Tiefland," premieres in Prague |
| November 16 | V Herbert and H Smith' musical "Babette," premieres in New York City |
| November 18 | Hay-Bunau-Varilla Treaty gives U.S. exclusive canal rights in Panama |
| November 19 | Carrie Nation attempts to address Senate |
| November 23 | Enrico Caruso U.S. debut (Metropolitan Opera House, New York) in "Rigoletto" |
| November 24 | Clyde Coleman of New York City patents automobile electric starter |
| November 24 | George Ade's "County Chairman," premieres in New York City |
| November 27 | Opera "Die Heugierigen Frauen" is produced (Munich) |
| December 1 | "The Great Train Robbery," the 1st Western film, released |
| December 3 | Panglima Polim surrenders to Captain Colijn at Atjeh |
| December 6 | Sumatra Atjehs guerilla leader Panglima Polim surrenders |
| December 9 | Norwegian parliament vote unanimiously for female suffrage |
| December 10 | Nobel for physics awarded to Pierre/Marie Curie |
| December 11 | British forces under MacDonald and Young march into Tibet |
| December 12 | Roger Casement completes report about abuses in Belgian Congo |
| December 13 | Italo Marcioni patents ice cream cone in New Jersey |
| December 13 | Wright Bros make 1st flight at Kittyhawk |
| December 14 | Reg Foster completes 287 England vs. Australia on Test Cricket debut |
| December 16 | Majestic Theater, New York City, becomes 1st in U.S. to employ women ushers |
| December 17 | At 10:35 AM, 1st sustained motorized aircraft flight (Orville Wright) |
| December 19 | Williamsburg suspension bridge opens between Brooklyn and Manhattan |
| December 27 | "Sweet Adaline," a barbershop quartet favorite, is 1st sung |
| December 28 | Clyde Fitch's "Glad of It," premieres in New York City |
| December 28 | Electric lamp sets fire to Iroquois theater in Chicago; 602 die |
| December 29 | French Equatorial Africa separates into Gabon, Chad and Ubangi-Shari |
| December 30 | American Political Science Association founded at New Orleans |
| December 30 | Fire at Chicago's Iriquois Theater kills 602 |
