- Mar 1 1First state law requiring bonding of officers & state employees, ND
Admiral Beatty
Mar 1 David Beatty becomes Rear-Admiral Commanding the Royal Navy's 1st Battlecruiser Squadron
Washington Women's Suffrage Procession
Mar 3 Woman suffrage procession through Washington, D.C. organized by Alice Paul and Lucy Burns and led by Inez Milholland. Ida B. Wells marched with her Illinois delegation despite blacks being told to march in a separate section.
- Mar 4 1st US law regulating the shooting of migratory birds passed
- Mar 4 Gabriel Faure's opera "Pénélope", based on Homer's "The Odyssey", premieres at the Salle Garnie, in Monte Carlo, Monaco
- Mar 4 NY Yankees are 1st to train outside US (Bermuda)
- Mar 4 US Department of Commerce & Labor split into separate departments
Woodrow Wilson
Mar 4 Woodrow Wilson inaugurated as 28th US President
- Mar 8 Internal Revenue Service begins to levy & collect income taxes
- Mar 8 MLB Federal League organizes with 6 teams, including the Chicago Whales, who built and played at Weeghman Park (now Wrigley Field); League folded after 3 seasons
- Mar 10 Stanley Cup, Quebec Skating Rink, Quebec City, Quebec: Quebec Bulldogs retain trophy; defeat Sydney Millionaires (NS), 6-2 for a 2-0 sweep of the challenge series
- Mar 10 William Knox becomes 1st in American Bowling Congress to bowl 300
- Mar 12 Foundation stone of the Australian capital in Canberra laid
- Mar 13 Kansas legislature approved censorship of motion pictures
Rockefeller Foundation
Mar 14 John D. Rockefeller gives $100 million to Rockefeller Foundation
- Mar 14 South African Supreme Court declares that marriages not celebrated according to Christian rites and/or not registered by the Registrar of Marriages, are invalid; all Muslim and Hindu marriages are therefore declared invalid
- Mar 15 1st US presidential press conference, held by Woodrow Wilson
- Mar 15 Cleveland establishes 1st small claims court
- Mar 17 Uruguayan Air Force is founded
- Mar 18 King George I of Greece is assassinated in the recently liberated city of Thessaloniki
- Mar 21 -26] Flood in Ohio, kills 400
Assassination of Song Jiaoren
Mar 22 Song Jiaoren, leader of the Chinese Kuomintang Party, shot at Shanghai Railway Station, dies 2 day later (thought orchestrated by Kuomintang President Yuan Shikai)
- Mar 24 Dutch soccer forward Huug de Groot scores twice as Netherlands score first ever victory over England; 2-1 at HBS, The Hague
- Mar 24 Palace Theater opens at 1564 Broadway, New York City
- Mar 25 Great Dayton Flood: winter rains cause Great Miami River to flood, Ohio's greatest natural disaster
- Mar 25 Home of vaudeville, Palace Theatre, opens (NYC) starring Ed Wynn
- Mar 26 Bulgaria captures Adrianople, ending the 1st Balkan War
- Mar 26 Dayton, Ohio almost destroyed when Scioto, Miami and Muskingum River reach flood stage simultaneously
- Mar 28 Guatemala becomes a signatory to the Buenos Aires copyright treaty
Authors
Civil Rights Activists
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Scientists