- Mar 3 American Protective Association forms (anti-Catholic) in Clinton Iowa
Helen Keller Begins Lessons
Mar 3 Anne Sullivan begins teaching 6-year-old blind-deaf Helen Keller
- Mar 7 North Carolina State University is founded by the North Carolina General Assembly.
- Mar 8 Everett Horton, CT, patents fishing rod of telescoping steel tubes
- Mar 15 1st salaried fish & game warden (William Alden Smith in Michigan)
- Mar 24 Oscar Straus appointed 1st Jewish ambassador from US (to Turkey)
- Mar 25 49th Grand National: Bill Daniels aboard 20/1 chance Gamecock wins by 3 lengths from Savoyard