| January 1 | President Theodore Roosevelt shakes a record 8,513 hands in 1 day |
| January 4 | George Bernard Shaw's "Don Juan in Hell," premieres in London |
| January 6 | Maria Montessori opens her 1st (Montessori) school (Rome) |
| January 7 | Clyde Fitch' "Truth," premieres in New York City |
| January 12 | Britain grants responsible government to former colony of Transvaal |
| January 15 | 3-element vacuum tube patented by Dr. Lee De Forest |
| January 15 | Gold dental inlays 1st described by Wm Taggart, who invented them |
| January 21 | Kenora Thistles sweep Mont Wanderers in 2 for Stanley Cup |
| January 23 | Charles Curtis of Kansas becomes 1st Native American U.S. senator |
| January 25 | Julia Ward Howe is 1st woman elected to National Inst of Arts and Letters |
| January 26 | 1st federal corrupt election practices law passed |
| January 26 | J M Synge's "Playboy of Western World" opens; police are called |
| February 5 | Arnold Schonberg's 1st string quartet premieres in Vienna |
| February 11 | De Master's Dutch government resigns |
| February 11 | Passenger ship Larchmont sinks by Block Island, 322 die |
| February 13 | English suffragettes storm British Parliament and 60 women are arrested |
| February 14 | 1st U.S. fox hound association forms in New York City |
| February 21 | SS Berlin sinks off Hoek van Holland Netherlands (142 dead) |
| February 22 | 1st cabs with taxi meters begin operating in London |
| February 22 | Leonid N Andreyev's "Zhizn Cheloveka," premieres in St. Petersburg |
| February 25 | George Bernard Shaw's "Philanderer," premieres in London |
| February 25 | U.S. proclaims protectorate over Dominican Republic |
| February 26 | Royal Oil and Shell merge to form British Petroleum (BP) |
| February 26 | U.S. Congress raised their own salaries to $7,500 |
| March 2 | General Louis Botha named premier of Transvaal |
| March 2 | Georges Feydeaus' "La Puce l'Oreille," premieres in Paris |
| March 5 | 1st radio broadcast of a musical composition aired |
| March 9 | 1st involuntary sterilization law enacted, Indiana |
| March 9 | Lady Gregory's "Rising of the Moon," premieres in Dublin |
| March 15 | Finland is 1st European country to give women the right to vote |
| March 16 | 1st 1st-class cricket game between NSW and Western Australia |
| March 19 | 18.8 cm precipitation at Lewer's Ranch, Nevada (state record) |
| March 21 | U.S. invades Honduras |
| March 25 | Stanley Cup: Montreal Wanderers lose to Kenora Thistles but outscore them in 2 game set but outscore them 12-8 and win cup |
| March 31 | Romanian Army puts down Moldavian farmers' revolt |
| April 11 | New York Giant Roger Bresnahan becomes 1st catcher to wear shin guards |
| April 12 | Belgium government of De Stain de Naeyer, resigns |
| April 17 | Ellis Island, New York - 11,745 immigrants arrive |
| April 18 | Augustus Thomas' "Witching Hour," premieres in New York City |
| April 18 | Fairmont Hotel opens |
| April 19 | 11th Boston Marathon won by Tom Longboat of Canada in 2:24:24 |
| April 26 | Jamestown, Virginia Tercentenary Exposition opens |
| May 1 | Belgium government of De Trooz forms |
| May 1 | Indian Mine Laws passes (concessions from Netherlands-Indies) |
| May 2 | Belgium Jules baron de Trooz forms Belgian government |
| May 6 | 33rd Kentucky Derby: Andy Minder aboard Pink Star wins in 2:12.6 |
| May 7 | Charles Collier wins 1st Isle of Man TT Race: (38.22 mph) |
| May 8 | Boston's Big Jeff Pfeffer no-hits Cincinnati Reds, 6-0 |
| May 8 | Tommy Burns beats Jack O'Brien in 20 for heavyweight boxing title |
| May 10 | Paul Dukas' opera "Ariane et Barbe Bleue," premieres in Paris |
| May 11 | Bank of San Francisco incorporated |
| May 21 | 32nd Preakness: G Mountain aboard Don Enrique wins in 1:45.4 |
| May 22 | Albert Trott takes two hat-tricks in an innings, Mddx vs. Somerset |
| May 26 | Chicago White Sox Ed Walsh no-hits New York Highlanders, 8-1 in 5 inning game |
| May 27 | Bubonic Plague breaks out in San Francisco |
| May 28 | Auto-Cycle Union Tourist Trophy, 1st held |
| May 30 | 41st Belmont: G Mountain aboard Peter Pan wins |
| May 31 | Taxis 1st began running in New York City |
| June 1 | -27 degrees F (-33 degrees C), Sarmiento, Argentina (South American record) |
| June 4 | Automatic washer and dryer introduced |
| June 5 | Automatic washer and dryer are introduced |
| June 11 | Northants all out for 12 vs. Gloucestershire |
| June 12 | Yankees commit 11 errors and lose 14-6 to Tigers |
| June 13 | Lowest temp ever in 48 U.S. states for June, 2 degrees F in Tamarack California |
| June 14 | Government of Transvaal sends home 50,000 Chinese day workers |
| June 14 | Norway restricts woman's voting rights |
| June 15 | 44 nations meet in 2nd Hague Peace Conference |
| June 20 | 1st Portland Rose festival |
| June 21 | 13th U.S. Golf Open: Alec Ross shoots a 302 at Philadelphia Cricket Club PA |
| June 21 | E. W. Scripps founded United Press |
| June 26 | Bolsheviks overthrows transport in Tiflis |
| June 28 | Nationals steal a record 13 bases off catcher Branch Rickey |
| July 1 | World's 1st air force established in the U.S. Army |
| July 3 | Pope decree forbids modernization of theology |
| July 4 | Tommy Burns KOs Bill Squires in 1 for heavyweight boxing title |
| July 8 | Florenz Ziegfeld staged 1st 'Follies' on New York Theater roof |
| July 18 | Florenz Ziegfeld's "Follies of 1907," premieres in New York City |
| July 18 | French troops occupy Casablanca |
| July 23 | 7th Davis Cup: Australasia beats British Isles in Wimbledon (3-2) |
| July 29 | Sir Robert Baden-Powell forms Boy Scouts in England |
| August 1 | Bank of Italy opens 1st branch at 3433 Mission Street, SF |
| August 1 | Signal Corps of U.S. Army starts aircraft division |
| August 2 | Walter Johnson, 19, debuts with Washington and loses 3-2 to Detroit |
| August 7 | Walter Johnson wins 1st of his 416 wins, 7-2 over Cleveland |
| August 10 | Prince Scipone Borchesi wins Beijing to Paris, 7,500 mile auto rally |
| August 11 | St. Louis Card Ed Karger pitches perfect game vs Braves, 4-0 in 7 inn |
| August 14 | "Ha-Tikva" adopted as official Zionist hymn |
| August 16 | Abd al-Hafid proclaims himself sultan of Morocco |
| August 17 | Bishop forbids Christian membership in Dutch Textile Union |
| August 22 | Colin Buchanan, town planner |
| August 22 | Cyril Astley Clarke, British geneticist |
| August 23 | Pitts Howie Camnitz no-hits New York Giants, 1-0 in 5 inning game |
| August 26 | Houdini escapes from chains underwater at Aquatic Park in 57 sec |
| August 28 | United Parcel Service begins service, in Seattle |
| August 31 | Britain and Russia sign treaty with Afghanistan, Persia and Tibet |
| August 31 | England, Russia and France form Triple Entente |
| September 7 | Sutro's ornate Cliff House in San Francisco destroyed by fire |
| September 8 | Pius X publishes encyclical Pasceni dominici gregis (anti-modernism) |
| September 12 | Lusitania arrives in New York City after 5 day crossing of Atlantic (record) |
| September 13 | Interprovincial Rugby Football union (Big Four) forms with Hamilton Tigers, Toronto Argonauts, Ottawa Rough Riders and Montreal Foot Ball |
| September 23 | Proclamation sets fineness and weight of silver and bronze coins of Canada |
| September 25 | Jean Sibelius' 3rd Symphony, premieres |
| September 26 | New Zealand declares independence from U.K. |
| September 29 | Construction begins on Washington National Cathedral |
| September 30 | Cards Ed Konetchy steals home twice and Joe Delahanty also steals home for record 3 steals of home (vs Boston) |
| October 1 | Plaza Hotel (5th Av and 59th Str, New York) opens |
| October 2 | Phillies Eddie Grant goes 7 for 7 in a doubleheader vs Giants |
| October 5 | Interprovincial Rugby Football Union plays 1st game (Mtl 17 Tor 8) |
| October 5 | Philadelphia A's Rube Vickers no-hits Washington Senators, 4-0 in 5 inning game |
| October 7 | France's Henry Farman flies 30m in a double decker plane |
| October 12 | Cubs beat Tigers 4 games to 0 with 1 tie in 4th World Series |
| October 16 | Belasco Theater opens at 111 W 44th St. New York City |
| October 16 | David Belasco's "Grand Army Man," premieres in New York City |
| October 19 | 1st printing of Dutch Tribune (Wijnkoop/Van Ravesteyn/Ceton) |
| October 22 | Ringling Brothers Greatest Show on Earth buys Barnum and Bailey circus |
| October 25 | Frederik of Oaths disbands mental home colony Walden |
| October 31 | Calgary City Rugby Foot-ball Club's 1st game defeating Strathcona Rugby Foot-ball Club 15-0 at Calgary |
| November 2 | Ottawa Mint Proclamation is published |
| November 7 | Dynamite explodes on locomotive kills engineer Jesus Garcia in Mexico |
| November 7 | Test tokens are struck in 1st production of Canadian coins |
| November 9 | Edmonton Rugby Foot-ball Club 1st game, loses to Calgary City Rugby Foot-ball Club 26-5 at Edmonton Exhibition Grounds |
| November 13 | French cyclist Paul Cornu flies 1st helicopter (twin rotor) |
| November 16 | Oklahoma becomes 46th state |
| November 30 | Pike Place Market dedicated in Seattle |
| December 2 | English Professional Football Player's Association forms |
| December 2 | Tommy Burns KOs Gunner Moir in 10 for heavyweight boxing title |
| December 3 | George Cohans musical "Talk of the Town," premieres in New York City |
| December 6 | Coal mine explosions in Monongah, WV, kills 361 |
| December 7 | Eugene Corri becomes 1st referee in a boxing ring |
| December 9 | 1st Christmas Seals sold (Wilmington Del post office) |
| December 9 | Gustav Mahler departs Vienna |
| December 10 | Ruyard Kipling receives Nobel prize for literature |
| December 13 | George Gunn scores 119 on Test debut vs. Australia SCG |
| December 13 | German emperor Wilhelm II visits Amsterdam |
| December 16 | Eugene H Farrar is 1st to sing on radio (Brooklyn Navy Yard New York) |
| December 16 | Great White Fleet sails from Hampton Downs on it's World Cruise |
| December 17 | Ugyen Wangchuck became 1st hereditary king of Bhutan |
| December 19 | 239 workers died in a coal mine explosion in Jacobs Creek, Penn |
| December 19 | Gas explosion at Jacobs Creek Pa, coal mine kills 239 |
| December 20 | Explosion at Yolande Alabama, coal mine kills 91 |
| December 21 | Dutch government of De Master falls due to war budget |
| December 22 | Saint-Saens/Fokines ballet "Le Cygne," premieres in St. Petersburg |
| December 23 | 1st all-steel passengar railroad coach completed, Altoona, Pa |
| December 30 | Abraham Mills' commission declares Abner Doubleday invented baseball |
| December 31 | For 1st time a ball drops at Times Square to signal new year |
| December 31 | G Mahler conducts the Metropolitan Opera |