| January 1 | Post office begins parcel post deliveries |
| January 2 | National Woman's Party forms |
| January 7 | William M Burton patents a process to "crack" petroleum |
| January 8 | Frank Chance becomes Yankee manager |
| January 11 | 1st sedan-type car (Hudson) goes on display at 13th Auto Show (New York City) |
| January 11 | Bread and Roses Strike begins |
| January 16 | British House of Commons accepts Home-Rule for Ireland |
| January 17 | Raymond Poincare elected president of France |
| January 18 | Turkish-Greek sea battle near Troy |
| January 19 | Raymond Poincare installed as president of France |
| January 21 | Aristide Briand forms French government |
| January 24 | Franz Kafka stops working on "Amerika"; it will never be finished |
| January 26 | Jim Thorpe relinquishes his 1912 Olympic medals for being a pro |
| January 29 | Alpha Kappa Alpha Sorority, at Howard University, incorporates |
| January 30 | House of Lords rejects Irish Home Rule Bill |
| February 2 | N.Y. Giants sign Jim Thorpe |
| February 2 | New York City's Grand Central Terminal opens |
| February 3 | 16th Amendment, federal income tax, ratified |
| February 3 | Golden/Cawthorne's musical "Sunshine Girl," premieres in New York City |
| February 4 | Louis Perlman patents demountable auto tire-carrying wheel rim |
| February 4 | National Institute of Arts and Letters founded |
| February 9 | 10 Day Tragedy of Mexico-City; 3,000 die |
| February 10 | Edward Sheldons "Romance," premieres in New York City |
| February 15 | 1st avant-garde art show in America opens in New York City |
| February 16 | President Taft agrees not to intervene in Mexico |
| February 17 | 1st minimum wage law in U.S. takes effect in Oregon |
| February 17 | New York Armory Show introduces Picasso, Matisse, Duchamp to U.S. public |
| February 18 | French painting "Nude Descending a Staircase" displayed in New York City |
| February 19 | 1st prize inserted into a Cracker Jack box |
| February 19 | Mexican General V Huerta takes power with U.S. support |
| February 22 | Lowell HS, San Francisco opens (on it's 1st campus) |
| February 25 | 16th Amendment ratified, authorizing income tax |
| February 28 | 6.8-m, 4000-kg elephant seal killed, South Georgia (S Atlantic) |
| March 1 | 1st state law requiring bonding of officers and state employees, ND |
| March 1 | Federal income tax takes effect, 16th amendment |
| March 3 | Ida B Wells-Barnett demonstrates for female suffrage in Washington D.C. |
| March 4 | 1st U.S. law regulating the shooting of migratory birds passed |
| March 4 | Department of Commerce and Labor split into separate departments |
| March 4 | Gabriel Faure's opera "Penelope," premieres in Monte Carlo |
| March 4 | New York Yankees are 1st to train outside U.S. (Bermuda) |
| March 4 | Woodrow Wilson inaugurated as 28th president |
| March 8 | Federal League organizes with 6 teams |
| March 8 | Internal Revenue Service begins to levy and collect income taxes |
| March 10 | Stanley Cup: Quebec Bulldogs sweep Sydney (NS) Millionaires in 2 games |
| March 10 | William Knox, becomes 1st in American Bowling Congress to bowl 300 |
| March 12 | Foundation stone of the Australian capital in Canberra laid |
| March 13 | Kansas legislature approved censorship of motion pictures |
| March 15 | 1st presidential press conference (Woodrow Wilson) |
| March 15 | Cleveland establishes 1st small claims court |
| March 21 | Flood in Ohio, kills 400 |
| March 24 | Netherlands soccer team's 1st victory over England |
| March 24 | Palace Theater opens at 1564 Broadway New York City |
| March 25 | Great Dayton Flood |
| March 25 | Home of vaudeville, Palace Theatre, opens (New York City) starring Ed Wynn |
| March 26 | Bulgaria captures Adrianople, ending the 1st Balkan War |
| March 26 | Dayton, Ohio almost destroyed when Scioto, Miami, and Muskingum River reach flood stage simultaneously |
| April 3 | British suffragette Emily Pankhurst sentenced to 3 years in jail |
| April 8 | 17th amendment, requiring direct election of senators, ratified |
| April 8 | Opening of China's 1st parliament takes place in Peking (now Beijing) |
| April 9 | Brooklyn Dodger's Ebbets Field opens, Phillies win 1-0 |
| April 10 | President Woodrow Wilson throws out 1st ball, Senators beat Yankees 2-1 |
| April 10 | Walter Johnson begins string of 56 consecutive scoreless innings |
| April 14 | Belgium begins general strike for voting rights |
| April 19 | 17th Boston Marathon won by Fritz Carlson of Minnesota in 2:25:14.8 |
| April 21 | German passenger ship Imperator runs aground |
| April 21 | Gideon Sundback of Sweden patents the zipper |
| April 22 | Montenegro troops march into Skoetari, North-Albania |
| April 26 | Panama-Pacific International Exposition opens in San Francisco |
| April 26 | Sun Yet San calls for revolt against President Yuan Shikai in China |
| April 29 | Swedish engineer Gideon Sundback of Hoboken patents all-purpose zipper |
| May 1 | Longacre Theater opens at 220 W 48th St. New York City |
| May 6 | King Nikita I of Montenegro vacates Skoetari, North-Albania |
| May 7 | British House of Commons rejects woman's right to vote |
| May 9 | 17th amendment provides for election of senators by popular vote |
| May 10 | 39th Kentucky Derby: Roscoe Goose aboard Donerail wins in 2:04.8 |
| May 10 | Yankees commit 8 errors and still beat Tigers 10-9 in 10 innings |
| May 12 | Harry Green runs world record marathon (2:38:16.2) |
| May 13 | 1st 4 engine aircraft built and flown (Igor Sikorsky-Russia) |
| May 14 | French Hals museum opens in Harleem Netherlands |
| May 14 | John D. Rockefeller gives $100 million to Rockefeller Foundation |
| May 14 | Washington Senator Walter Johnson ends record scorless streak at 56 innings |
| May 19 | Webb Alien Land-Holding Bill passes, forbidding Japanese from owning land |
| May 20 | 38th Preakness: James Butwell aboard Buskin wins in 1:53.4 |
| May 26 | Actors' Equity Association forms (New York City) |
| May 30 | 1st Balkan War ends, Treaty of London |
| May 30 | John McGraw joins Fred Clarke, Cap Anson, Frank Selee, and Connie Mack |
| May 30 | New country of Albania, forms |
| May 31 | 17th amendment (direct election of senators) declared ratified |
| May 31 | Alexis Ahlgren runs world record maraton (2:36:06.6) |
| June 2 | 1st strike settlement mediated by U.S. Department of Labor-RR clerks |
| June 2 | Demonstrations for general voting right in Netherlands |
| June 3 | Dutch 1st Chamber accepts Health laws |
| June 4 | Suffragette Emily Davinson throws himself in front of king's horse |
| June 5 | Dutch Disability laws go into effect |
| June 6 | Rabbit Maranville, is thrown out trying to steal home 3 times |
| June 12 | "Dachshund" by Pathe Freres, early animated cartoon, released |
| June 13 | 45th Belmont: Roscoe Troxler aboard Prince Eugene wins in 2:18 |
| June 13 | Yankees win 13th game of year after losing 36 games |
| June 20 | 3 of 1st 4 Yankees hit-by-pitch en route to a record 6 hit batsman |
| June 20 | Bert Daniels set AL mark, being hit-by-pitch 3 times in a doubleheader |
| June 21 | Tiny Broadwick is 1st woman to parachute from an airplane |
| June 24 | 53rd British Golf Open: J H Taylor shoots a 304 at Hoylake Hoylake |
| June 25 | Dutch Parliamentary election (confess party looses majority) |
| June 29 | 2nd Balkan War begins-Bulgaria overthrows Greek/Serbian troops |
| June 30 | 2nd Balkan War begins |
| June 30 | New York Giants score 10 in 10th to beat Phillies 11-1 |
| July 1 | Serbia and Greece declare war on Bulgaria |
| July 3 | Common tern banded in Maine; found dead in 1919 in Africa (1st bird known to have crossed the Atlantic) |
| July 4 | 37th Wimbledon Mens Tennis: A F Wilding beats McLoughlin (86 63 10-8) |
| July 5 | Queen Wilhelmina meets SDAP-leader Troelstra |
| July 7 | British House of Commons accepts Home-Rule Law |
| July 10 | 134 degrees F (57 degrees C), Greenland Ranch, California (U.S. record) |
| July 10 | Romania declares war on Bulgaria |
| July 18 | After 68 straight innings Christy Mathewson gives up a walk |
| July 19 | Billboard publishes earliest known "Last Week's 10 Best Sellers among Popular Songs" Malinda's Wedding Day is #1 |
| July 20 | Turkish troop take Adrianopel and Erdine from Bulgaria |
| July 23 | Arabs attack Jewish community of Rechovot Palestine |
| July 25 | Carl Weilman strikes out 6 times in a 15 inning game |
| July 25 | Pirates Max Carey goes hitless, but scores 5 runs against Phillies |
| July 27 | Belgian Philippe Thys wins Tour de France |
| July 28 | 12th Davis Cup: USA beats British Isles in Wimbledon (3-2) |
| July 29 | Albania becomes sovereignty under prince Wilhelm von Wied |
| July 30 | Conclusion of 2nd Balkan War |
| August 8 | Richard Corfields "Camel Corps" opens "Mad Mullah" in Burao Somalia |
| August 10 | 2nd Balkan War ends, Treaty of Bucharest, Bulgaria loses |
| August 19 | Frenchman Pegoud makes 1st parachute jump in Europe |
| August 20 | 1st pilot to parachute from an aircraft (Adolphe Pegoud-France) |
| August 20 | Piotr Nesterow 1st flight (Kiev Ukraine) |
| August 22 | Robert Martineau, bishop of Blackburn |
| August 26 | 33rd U.S. Mens Tennis: M E McLoughlin beats R N Williams (64 57 63 61) |
| August 27 | Lt Peter Nestrov, of Imperial Russian Air Service, performs a loop in a monoplane at Kiev (1st aerobatic maneuver in an airplane) |
| August 28 | Queen Wilhelmina opens Peace Palace (The Hague) |
| August 29 | Pieter Cort Van de Linden forms Dutch government |
| August 30 | Phillies lead Giants 8-6 in top of 9th, fans in bleachers try to distract Giants, Umpire forefeits game to Giants, later overruled |
| August 31 | Soccer club PSV forms in Eindhoven Netherlands |
| September 1 | George Bernard Shaws "Androcles and the Lion," premieres in London |
| September 1 | Yuan Shikai captures Nanjing "2nd Chinese revolution" |
| September 2 | Amsterdam reroutes sewage of canals to South Seas |
| September 5 | Phillies and Braves tie record of only 1 run in a double header, Phillies win 1st game 1-0, then a scoreless tie into 10th |
| September 6 | 19th U.S. Golf Amateur Championship won by Jerry Travers |
| September 6 | 1st aircraft to loop the loop (Adolphe Pegoud-France) |
| September 6 | Hamilton Alerts apply for ORFU reinstatement, taking the name Hamilton Rowing Club |
| September 10 | 1st U.S. paved coast-to-coast highway, the Lincoln Highway, opens |
| September 10 | Cleveland Call and Post forms |
| September 10 | George W Buckner, named minister to Liberia |
| September 10 | Lincoln Highway opens as 1st paved coast-to-coast highway |
| September 14 | 27th U.S. Womens Tennis: Mary K Browne beats Dorothy Green (62 75) |
| September 14 | Cubs Larry Cheney hurls record 14-hit shutout against Giants (7-0) |
| September 15 | 1st U.S. milch goat show held, Rochester, New York |
| September 16 | 1000s of women demonstrate for Dutch female suffrage |
| September 20 | 19th U.S. Golf Open: Francis Ouimet shoots a 304 at The Country Club MA |
| September 21 | 1st aerobatic maneuver, sustained inverted flight, performed in France |
| September 21 | Turkey and Bulgaria sign peace treaty in Constantinople |
| September 22 | Coal mine explosion kills 263 at Dawson New Mexico |
| September 22 | George Cohan's "7 Keys to Baldpate," premieres in New York City |
| September 23 | Roland Garros is 1st to fly over Mediterranean Sea |
| September 23 | Serbian troops march into Albania |
| September 29 | Sam S Shubert Theater opens at 225 W 44th St. New York City |
| September 29 | Washington Senator Walter Johnson wins his 36th game |
| October 2 | Phillies beat New York Giants 2 games out of 3 in a tripleheader |
| October 3 | Federal Income Tax signed into law (at 1%) |
| October 4 | Bkln Dodger Jake Daubert earns a new Chalmers auto as NL MVP |
| October 4 | Freddy Wilson of Regina Roughriders kicks 10 singles in a game |
| October 7 | Henry Ford institutes moving assembly line |
| October 10 | British passenger ship Volturno catches fire in Atlantic (136 kill) |
| October 10 | Gamboa Dam in Panama blown up; Atlantic and Pacific waters mix |
| October 10 | Yuan Shikai installed as 1st president of China |
| October 11 | Philadelphia A's beat New York Giants, 4 games to 1 in 10th World Series |
| October 12 | John McGraw, after drinking, blames Wilbert Robinson's coaching mistakes for World Series lose, Robertson blames McGraw and is fired |
| October 13 | Explosion and fire in Universal Coal Mine, South Wales |
| October 14 | Explosion in coal mine at Cardiff kills 439 |
| October 15 | Train crash in Liverpool during "Black Week" |
| October 16 | Booth Theater opens at 222 W 44th St. New York City |
| October 18 | Austrian-Hungary demands that Serbia and Albania leave |
| October 22 | Explosion at Dawson New Mexico coal mine kills 263 mine workers |
| October 24 | Joe Tinker fired as Cincinnati Reds manager |
| October 26 | Huerta elected president of Mexico |
| October 27 | President Wilson says U.S. will never attack another country |
| November 1 | Notre Dame upsets Army 35-13, 1st to use forward pass effectively |
| November 2 | St. Louis Browns manager George Stovall is 1st to jump to Federal League |
| November 5 | Ludwig III crowned king of Bavaria |
| November 6 | Mohandas K. Gandhi arrested for leading Indian miners march in South Africa |
| November 9 | Storm "Freshwater Fury" sinks 8 ore-carriers on Great Lakes |
| November 13 | 1st modern elastic brassiere patented by Mary Phelps Jacob |
| November 17 | 1st U.S. dental hygienists course forms, Bridgeport, Ct |
| November 17 | Panama Canal opens |
| November 18 | Lincoln Deachey performs 1st airplane loop-the-loop (San Diego) |
| November 25 | Woodrow Wilson's daughter Jessie marries in White House |
| November 26 | Russian kingdom forbids Polish congregation of speakers |
| November 28 | Heavyweight Jack Johnson KOs Andre Spaul in Paris |
| November 29 | 5th CFL Grey Cup: Hamilton Tigers defeats Toronto Parkdale, 44-2 |
| December 1 | 1st drive-up gasoline station opens (Pitts) |
| December 1 | Continuous moving assembly line introduced by Ford (car every 2:38) |
| December 2 | Archdiocese of Managua created |
| December 2 | Government -Barthou falls due to overtime conscription |
| December 6 | White Sox beat Giants 9-4 in exhibition game in Tokyo |
| December 8 | Construction starts on Palace of Fine Arts in SF |
| December 9 | Heavyweight Jack Johnson-Jim Johnson fight to no decision in Paris |
| December 9 | John K Tener becomes president of baseball's National League |
| December 10 | Kamerlingh Onnes receives Nobel prize for physics |
| December 12 | Hebrew language officially used to teach in Palestinian schools |
| December 12 | "Mona Lisa," stolen from Louvre Museum in 1911, recovered |
| December 13 | Mona Lisa stolen in Aug 1911 returned to Louvre |
| December 14 | Greece formally takes possession of Crete |
| December 16 | Charlie Chaplin began his film career at Keystone for $150 a week |
| December 19 | Jack Johnson fights Jim Johnson to a draw in 10 for hw boxing title |
| December 21 | 1st crossword puzzle (with 32 clues) printed in New York World |
| December 23 | President Woodrow Wilson signs Federal Reserve Act into law |
| December 29 | 1st movie serial, "Adventures of Kathlyn," premieres in Chicago |
| December 30 | Barnes takes 17 wickets vs South Africa (8-56 and 9-103) |
