Example image of eyePlorer eyePlorer map for 'February 28': 202 BC 870 China Emperor Gaozu of Han Fourth Council of Constantinople Han Dynasty 1638 Covenanter Edinburgh 1700 March 1 Sweden Swedish calendar 1710 Battle of Helsingborg (1710) Jørgen Rantzau Magnus Stenbock 1784 John Wesley 1787 1827 Baltimore and Ohio Railroad Rail transport United States 1838 1844 Lower Canada Patriote movement Potomac River Quebec Robert Nelson (insurrectionist) USS Princeton (1843) 1849 New York Harbor San Francisco Bay SS California Steamboat 1854 Republican Party (United States) Ripon, Wisconsin 1861 Colorado Political divisions of the United States 1870 Abdülaziz Bulgarian Exarchate Ottoman Empire 1883 Boston Vaudeville