Timeline: Thomas M. Armstrong: Olvey Family History

Abt 1840 - 1870 (30 years)

	Date	Event(s)
1	1841	4 Mar 1841: William Henry Harrison William Henry Harrison U.S. Presidency 4 Apr 1841: John Tyler John Tyler U.S. Presidency
2	1845	4 Mar 1845: James K. Polk James K. Polk U.S. Presidency
3	1849	4 Mar 1849: Zachary Taylor Zachary Taylor U.S. Presidency
4	1850	9 Jul 1850: Millard Fillmore Millard Fillmore U.S. Presidency
5	1853	4 Mar 1853: Franklin Pierce Franklin Pierce U.S. Presidency
6	1857	4 Mar 1857: James Buchanan James Buchanan U.S. Presidency
7	1861	4 Mar 1861: Abraham Lincoln Abraham Lincoln U.S. Presidency 12 Apr 1861: American Civil War American Civil War
8	1865	15 Apr 1865: Andrew Johnson Andrew Johnson U.S. Presidency
9	1869	4 Mar 1869: Ulysses S. Grant Ulysses S. Grant U.S. Presidency