|   | 
			 Date | 
			 Event(s) | 
		
	
| 1  | 1913  | - 4 Mar 1913—4 Mar 1921: Wilson/Marshall admin
 
  | 
| 2  | 1917  | - 6 Apr 1917—28 Jun 1919: World War I (U.S.involvement)
 
  | 
| 3  | 1920  |  | 
| 4  | 1921  | - 4 Mar 1921—2 Aug 1923: Hardin/Coolidge admin
 
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| 5  | 1923  | - 2 Aug 1923—4 Mar 1929: Coolidge/(vacant) and Dawes admin
 
  | 
| 6  | 1929  | - 4 Mar 1929—4 Mar 1933: Hoover/Curtis admin
 
- 29 Oct 1929—1934: Great Depression
 
  | 
| 7  | 1933  | - 4 Mar 1933—12 Apr 1945: FD Roosevelt/Garner, Wallace and Truman admin
 
  | 
| 8  | 1941  | - 8 Dec 1941—2 Sep 1945: World War II, from U.S. declares war on Japan to Japan's surrender.
 
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