Timeline: Lehmann, Hans: Michael and Deborah Hervey's Genealogy

	Date	Event(s)
1	1913	4 Mar 1913—4 Mar 1921: Woodrow Wilson Woodrow Wilson U.S. Presidency
2	1917	6 Apr 1917—11 Nov 1918: World War I World War I
3	1921	4 Mar 1921—2 Aug 1923: Warren G. Harding Warren G. Harding U.S. Presidency
4	1923	2 Aug 1923—4 Mar 1929: Calvin Coolidge Calvin Coolidge U.S. Presidency
5	1929	4 Mar 1929—4 Mar 1933: Herbert Hoover Herbert Hoover U.S. Presidency
6	1933	4 Mar 1933—12 Apr 1945: Franklin D. Roosevelt Franklin D. Roosevelt U.S. Presidency
7	1941	7 Dec 1941—2 Sep 1945: World War II World War II