- Mar 1 National Baseball Commission prohibits giving mementos to players on winning World Series teams; decision later reversed, making way for traditional winners' watches, rings, and stickpins
- Mar 1 Wall of snow collapse in Cascade Mountain Range buries three passenger trains, killing 96, near Steven's Pass, Washington; 23 people survive the worst avalanche in US history [1]
Rockefeller Jr. Retires
Mar 3 John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can be devoted full time to being a philanthropist at the Rockefeller Foundation
- Mar 4 Avalanche at Bear Creek in Rogers Pass, British Columbia, kills 58 railway line workers - Canada's worst avalanche disaster [1]
- Mar 5 Ramon Inclan's "La Farsa Infantil de la Cabeza del Dragon" premieres
- Mar 5 Stanley Cup, Dey's Arena, Ottawa, ON: Montreal Wanderers beat Ottawa Senators, 3-1
- Mar 8 Baroness Raymonde de Laroche of Paris becomes the 1st ever licensed female pilot
- Mar 10 Pittsburgh Courier begins publishing
- Mar 10 Republic of China officially abolishes slavery
Hobbs Scores 187
Mar 11 English cricketer Jack Hobbs scores 187 vs South Africa, his 1st international test hundred only to then get out hit wicket
- Mar 12 Stanley Cup, Montreal Arena, Westmount, Quebec: Montreal Wanderers beat Berlin Dutchmen (ON), 7-3
- Mar 14 Lakeview Gusher, the largest U.S. oil well gusher near Bakersfield, California, vented to atmosphere
- Mar 16 Barney Oldfield uses a Benz to break the existing records at Daytona Beach Road Course (131.25mph)
- Mar 18 72nd Grand National: Bob Chadwick wins aboard 100/8 chance Jenkinstown; earliest Grand National to which there are moving images
- Mar 18 Frederick Converse's opera "The Pipe of Desire" is the first American opera to be performed at the Metropolitan Opera, NYC
- Mar 19 Australasian Championships Men's Tennis, Adelaide: Rodney Heath wins his 2nd and last Australasian title; beats fellow Australian Horace Rice 6-4, 6-3, 6-2
- Mar 24 83°F highest temperature ever recorded in Cleveland in March
- Mar 25 Chalmers Auto Co offers a new car to each leagues' batting champ
- Mar 26 US forbids immigration to criminals, anarchists, paupers and the sick
- Mar 26 William H. Lewis appointed US Assistant Attorney General
- Mar 27 Fire during a barn-dance in Ököritófülpös, Hungary, kills 312
Fabre Hydravion
Mar 28 First seaplane takes off from water under its own power, piloted by Henri Fabre from the Étang de Berre lagoon at Martigues, France
- Mar 30 Mississippi Legislature founded The University of Southern Mississippi
Authors
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