- Mar 1 Michigan becomes 1st English-speaking jurisdiction to abolish the death penalty (except for treason against the state)
- Mar 3 9th Grand National: Denny Wynne wins aboard 10/1 Mathew; regarded as the first Irish-trained horse to win the race
- Mar 3 US Post Office Department is authorized to issue postage stamps
Macbeth
Mar 14 Premiere of Giuseppe Verdi's opera "Macbeth" at the Teatro della Pergola, Florence