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1910 (MCMX)was a common year starting on Saturday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1910th year of the Common Era (CE) and Anno Domini (AD) designations, the 910th year of the 2nd millennium, the 10th year of the 20th century, and the 1st year of the 1910s decade. As of the start of 1910, the Gregorian calendar was 13 days ahead of the Julian calendar, which remained in localized use until 1923.
-  6 June 1910, page 7, Middelburgsche Courant, Krantenbank, Zeeland
- June 15 – British ship Terra Nova leaves London, on its way toward an Antarctic expedition.
- June 22 – DELAG Zeppelin dirigible Deutschland makes the first commercial passenger flight, from Friedrichshafen to Düsseldorf in Germany; the flight takes 9 hours.
- June 25 – The ballet The Firebird (L'Oiseau de feu), the first major work by Russian composer Igor Stravinsky, commissioned by Diaghilev's Ballets Russes, is premièred in Paris, bringing the composer international fame.
- November 7 – The first air flight for the purpose of delivering commercial freight takes place in the United States. The flight, made by Wright brothers pilot Philip Parmalee, is between Dayton and Columbus, Ohio.
- November 14 – In the first takeoff from a ship by a fixed-wing aircraft, Eugene Ely takes off from a temporary platform erected over the bow of the light cruiser USS Birmingham in Hampton Roads, Virginia.
- November 20 – The Mexican Revolution begins, when Francisco I. Madero proclaims the elections of 1910 null and void, and calls for an armed revolution at 6 p.m. against the illegitimate presidency/dictatorship of Porfirio Díaz.
- November 22 – Revolt of the Lash at Rio de Janeiro: Mutineers in the Brazilian Navy, led by João Cândido Felisberto, seize control of the new dreadnought battleship Minas Geraes, and other ships whose guns are aimed at the city, as the crews demand improvements in their conditions (which are conceded on November 26 by the Brazilian government).
- November 23 – Johan Alfred Ander becomes the last person to be executed in Sweden.
- The electric streetcars of Austria-Hungary, France, Germany and Great Britain are carrying 6.7 million riders per year.
- Henry Ford sells 10,000 automobiles.
беларуская (тарашкевіца): 1910
srpskohrvatski / српскохрватски: 1910