USA history By mahmoud.balam Oct 12, 1492 Christopher Columbus discovers America (1°voyage) Sep 1, 1493 2°expedition to America May 30, 1498 3° expedition to America May 1, 1502 4°expedition to America May 14, 1607 Jamestown colony foundation Dec 21, 1620 Plymouth colony foundation (by pilgrims) May 1, 1624 New Amsterdam colony foundation (by dutch) Nov 29, 1630 Massachusetts colony foundation Jun 20, 1632 Maryland colony foundation Aug 27, 1664 New Amsterdam became New York Jul 30, 1676 bacon's rebellion Feb 12, 1732 georgia colony foundation Period: Jan 1, 1775 to Jan 1, 1783 American Revolutionary War Jul 4, 1776 United States Declaration of Independence Sep 17, 1787 United States Constitution