Ohio History Timeline By dschrock Jul 4, 1744 Lancaster Treaty Period: Jul 4, 1744 to Oct 5, 1815 Indian History May 28, 1754 French and Indian War Starts Period: May 28, 1754 to Sep 3, 1783 US History Period: Jan 1, 1763 to Mar 3, 1803 Ohio History Feb 10, 1763 Peace in Ohio Country until 1775 Feb 10, 1763 French and Indian War ends, 1st Treaty of Paris signed May 3, 1774 Lord Dunmore's War May 3, 1774 Logan's Lament Apr 19, 1775 Revolutionary War begins Jul 4, 1776 Declaration of Independence Sep 3, 1783 Revolutionary War ends, 2nd Treaty of Paris Oct 22, 1784 Treaty of Fort Stanwix May 17, 1787 Constitutional Convention Jul 13, 1787 Northwest Ordinance Nov 3, 1791 St. Claire's Shame Aug 20, 1794 Battle of Fallen Timbers Aug 3, 1795 Treaty of Greenville Mar 1, 1803 Ohio Becomes State Oct 5, 1813 Battle of the Thames, Tecumseh's Death