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 Feb 1803 Historical Events by Year Apr 1803 Historical Figures Authors Civil Rights Activists Inventors Kings Revolutionaries Scientists