Historical Period
20th century
122
1945-
61
21st century
49
19th century
37
1989-
34
1970-
32
18th century
21
1945-1989
18
1980-
14
17th century
11
1960-
11
1980-2020
11
To 1500
11
1918-1945
10
1949-
10
1783-1865
9
1865-1918
9
1951-
9
1960-1980
9
To 146 B.C.
9
1981-1989
8
1837-1901
7
1918-1933
7
1933-1945
7
1991-
7
2001-2009
7
2002-
7
1865-1900
6
1958-
6
2000-
6
Revolution, 1789-1799
6
1066-1485
5
16th century
5
1714-1760
5
1765-1947
5
1910-1946
5
1976-2002
5
1990-
5
30 B.C.-476 A.D.
5
Empire, 30 B.C.-476 A.D.
5
1603-1714
4
1700-1799
4
1760-1789
4
1789-1815
4
1789-1820
4
1961-1969
4
1963-1969
4
1970-1988
4
To 332 B.C.
4
1709-1784
3
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