1783 First settlers claim North Carolina land grants.
1796 Tennessee becomes the 16th state.
1801 Roane County, which contained most of Rhea is created.
1805 Tellico Treaty - Cherokee Nation surrenders claims to additional land.
1806 Return J. Meigs lays out the site of the Hiwassee Garrison and Indian Agency.
1807 Rhea County established.
1808 John McClellan surveys land for 72 individuals. 112 are listed on tax list.
1811 Land is laid off for the town of Washington. Courthouse and jail planned.
1812 WAR OF 1812
1814 Stocks and pillory built.
1830 New Courthouse is built.
1836 Meigs County created from Rhea.
1847 Flood devastates town of Washington.
1861 CIVIL WAR. Rhea County forms home guard. Tennessee secedes from the Union, and joins the Confederate States of America.
1866 Tennessee re-admitted to the Union. Many Rhea citizens relocate.
1899 County seat moved to Dayton.