13 colonies By dakotakupka May 14, 1607 British colonies found jamestown settlement May 1, 1692 Salem witch trials started. May 1, 1776 Independence started. i don't know the day or month May 1, 1804 Slaves became illegal. http://www.qrcodesinmarketing.net/important-dates-in-history.html May 1, 1812 Americans declared war on the british. May 1, 1848 Gold rush started. May 1, 1861 Civil war . 1861-1865 May 1, 1863 Abe lincoln freed slaves. May 1, 1865 Abe got shot in the head. May 1, 1917 World war 1 started. May 1, 1920 Women were able to vote. May 1, 1941 Japanese attacked pearl harbor. May 1, 1945 Scientist built the first atomic bomb. May 1, 1954 White and black were separated. May 1, 1955 The vietnam war started.