- Mar 4 California becomes 1st state to pass plant quarantine legislation
- Mar 4 Holmes & Watson begin "A Study in Scarlet", 1st case together
President Inaugurated
Mar 4 James A. Garfield inaugurated as the 20th President of the United States of America
James Garfield
Assassination
Mar 13 Alexander II of Russia is assassinated by members of far-left terror group 'People's Will' who throw a bomb at him in the city of St. Petersburg
Alexander II
Event of Interest
Mar 18 Barnum & Bailey Circus, travelling as "The Greatest Show on Earth", debuts at (Madison Square Garde, New York City, would last 146 years before closing in 2017
P. T. Barnum
James Anthony Bailey
- Mar 23 Boers & Britain sign peace accord; end 1st Boer war
- Mar 23 Gas lamp sets fire to opera house in Nice, France; 70 die
- Mar 25 43rd Grand National: Irish jockey Tommy Beasley wins his second consecutive GN aboard 11/2 co-favourite Woodbrook
- Mar 26 Thessaly is freed and becomes part of Greece again
- Mar 27 Rioting takes place in Basingstoke, Hampshire, in protest against the daily vociferous promotion of rigid Temperance by the Salvation Army.
- Mar 28 "Greatest Show On Earth" formed by P. T. Barnum and James Anthony Bailey