John Colvin, b: 1774 - Pennsylvania,

^{1805 Lewis and Clark reach Pacific}
^{1812 - 1814 War of 1812 with Britain}
^{1846 War w/Mexico,Calif & NM acquired}
^{1861 - 1865 Civil War, North vs. South}
^{1867 Alaska Territory purchased}

^{1773 Boston Tea Party tax rebellion}
^{1775 - 1783 Revolutionary War}
^{1776 Declaration of Independence}
^{1789 George Washington first president}
^{1803 Louisiana Territory Purchased}

^{1700 American colonies prosper}
^{1720 Texas becomes Spanish possession}
^{1735 Freedom of press established}
^{1740 Colony population = 1.5 million}
^{1754 - 1763 Anglo-French War}


		^{James Colvin}^{b.1748 d.1799 prob., Pennsylvania}

	^John Colvin^{b.1774 Pennsylvania d.1848 Salem Twp., Ohio}		^{James Salisbury}^{b.1705 Queen Annes Co., Maryland d.1758 Pasquotank C, North Carolina}

		^{Frances Salisbury}^{b.1747 Virginia? d.1807 Hamer Twp. Highland C, Ohio}	^{Frances Hawkins}^{b.1710 Maryland d.1758 Pasquotank C, North Carolina}

^{Abraham R. Colvin}^{b.1822 Highland Co., Ohio d.1909 Dayton, Ohio}

	^{Elizabeth Acre}^{b.1783 Pennsylvania d.1851 prob. Highland Co., Ohio}