Timeline: Würtz, Helmut: Michael and Deborah Hervey's Genealogy

	Date	Event(s)
1	1836	11 May 1836—2 Feb 1848: Mexican-American War Mexican-American War
2	1841	4 Apr 1841—4 Mar 1845: John Tyler John Tyler U.S. Presidency
3	1845	4 Mar 1845—4 Mar 1849: James K. Polk James K. Polk U.S. Presidency
4	1849	4 Mar 1849—9 Jul 1850: Zachary Taylor Zachary Taylor U.S. Presidency
5	1850	9 Jul 1850—4 Mar 1853: Millard Fillmore Millard Fillmore U.S. Presidency
6	1853	4 Mar 1853—4 Mar 1857: Franklin Pierce Franklin Pierce U.S. Presidency
7	1857	4 Mar 1857—4 Mar 1861: James Buchanan James Buchanan U.S. Presidency
8	1861	4 Mar 1861—15 Apr 1865: Abraham Lincoln Abraham Lincoln U.S. Presidency 12 Apr 1861—9 Apr 1865: American Civil War American Civil War
9	1865	15 Apr 1865—4 Mar 1869: Andrew Johnson Andrew Johnson U.S. Presidency