1978 Event Harriet Tubman is 1st black woman honored on a U.S. postage stamp 1971 Death William Tubman, president of Liberia (1944-71), dies at 76 1913 Death Harriet Tubman, abolitionist, conductor on Underground RR, dies in NY 1895 Birthday William V S Tubman, Whig, 17th Liberian president, 1943-70 1863 Event Harriet Tubman leads Union guerrillas into Maryland, freeing slaves 1853 Event Harriet Tubman starts Underground Railroad 1853 Event Harriet Tubman began her Underground Railroad, helping slaves escape 1849 Event Harriet Tubman escapes from slavery in Maryland
