US History By LizzyLucky Oct 12, 1492 Columbus finds America Apr 12, 1751 Industrial Revolution May 28, 1754 French and Indian War Apr 19, 1775 Revolutionary War Dec 16, 1783 Boston Tea Party Sep 17, 1787 Writing of the Constitution Dec 7, 1787 Ratification of Delaware Dec 12, 1787 Ratification of Pennsylvannia Dec 18, 1787 Ratification of New Jersey Jan 2, 1788 Ratification of Georgia Jan 9, 1788 Ratification of Connecticut Feb 6, 1788 Ratification of Massachusetts Apr 28, 1788 Ratification of Maryland May 23, 1788 Ratification of South Carolina Jun 21, 1788 Ratification of New Hampshire Jun 25, 1788 Ratification of Virginia Jul 26, 1788 Ratification of New York Nov 21, 1789 Ratification of North Carolina May 29, 1790 Ratification of Rhode Island May 1, 1804 Expedition of Lewis and Clark Mar 3, 1820 Missouri Compromise Jan 1, 1854 Bleeding Kansas Can't find an exact date.