1st » E. Remington and Sons in Ilion, New York begins production of the first practical typewriter.
3rd » Censorship in the United States: The U.S. Congress enacts the Comstock Law, making it illegal to send any "obscene, lewd, or lascivious" books through the mail.
22nd » A law is approved by the Spanish National Assembly in Puerto Rico to abolish slavery.
Famous Birthdays on March in 1873
3rd » William Green (labor leader) or William Green, American union leader (d. 1952)