Era
2003
12
2005
8
2001
6
2004
6
Revolution, 1775-1783
5
2006
4
Civil War, 1861-1865
4
1735-1826
3
1927-1993
3
1946-
3
1980-
3
2002
3
Since 1980
3
1732-1795
2
1822-1913
2
1864-1922, USMA 1889
2
1890-1969, USMA 1915
2
1937-
2
1947 July 31-
2
1947-
2
1965-
2
20th century
2
War of 1812
2
1706-1790
1
1732-1799
1
1755-1835
1
1757-1804
1
1775-1783
1
1775-1783 (Révolution)
1
1800-1899
1
1809-1865
1
1844-1914
1
1853-1927
1
1865-1945
1
1880-1959
1
1900-1999
1
1903-1993
1
1918-1961
1
1942-1945
1
1944-1945
1
1947-2017
1
1950-1953
1
1961 - 1975
1
1969-1974
1
1980
1
1984
1
19th century
1
2001-2009
1
2004-2005
1
2009-
1
more ...