Era
20th century
7
1805-1859
2
1901-1971
2
1918-1945
2
1945-
2
1747-1792
1
1755-1763
1
1768-1848
1
1775-1783
1
1830-1848
1
1848-1870
1
1867-1959
1
1898-1991
1
1899-1957
1
18th century
1
1903-1970
1
1903-1975
1
1907-1986
1
1928-2011
1
1933-1945
1
1935-
1
1945-1970
1
1949-
1
1955-
1
1981-2001
1
1990-
1
21st century
1
French and Indian War, 1754-1763
1
Revolution, 1775-1783
1