- Mar 1 Ohio becomes 17th state of the Union
- Mar 3 1st impeachment trial of a US federal judge, John Pickering, begins
- Mar 3 Colégio Militar is founded in Portugal by Colonel Teixeira Rebello.
- Mar 5 First newspaper published in Australia the Sydney Gazette and New South Wales Advertiser by government printer and ex-convict George Howe [1]
- Mar 19 Friedrich Schiller's "Die Braut von Messina" premieres in Weimar