March 21, 1349: Between 100 and 3,000 Jews are killed in Black Death riots in Erfurt, Germany.
March 22, 1765: Stamp Act passed; 1st direct British tax on American colonists, organized by Prime Minister George Grenville.
March 23, 1775: Patrick Henry proclaims "Give me liberty or give me death" in speech in favour of Virginian troops joining US Revolutionary war.
March 24, 1853: Anti-slavery newspaper "The Provincial Freeman" first published in Windsor, Ontario, edited by Samuel Ringgold Ward and Mary Ann Shadd Cary, first black woman publisher in North America.
March 25, 1813: 1st US flag flown in battle on the Pacific by the frigate Essex.
March 26, 1942: First "Eichmann transport" to Auschwitz & Birkenau concentration camps.
March 27, 1866: US President (Democrat, and slave-owner) Andrew Johnson vetoes civil rights bill. (will take 2 more years to become the 14th amendment)