Era
20th century
28
19th century
15
1945-1989
12
21st century
11
1945-
6
17th century
5
18th century
5
1980-2020
4
1564-1616
3
16th century
3
1775-1865
3
1946-
3
1951-
3
1989-
3
2017-2021
3
1818-1883
2
1945-1964
2
1945-1991
2
1993-2001
2
2009-
2
Early modern and Elizabethan, 1500-1600
2
Modern period, 1600-
2
Revolution, 1775-1783
2
To 1865
2
-1052
1
-337
1
1558-1603
1
1619-1690
1
1638-1715
1
1643-1715
1
1714-1837
1
1735-1815
1
1770-1850
1
1775-1783
1
1782-1850
1
1783-1809
1
1783-1865
1
1789-1815
1
1809-1865
1
1815-1861
1
1820-1903
1
1820-1910
1
1822-1889
1
1830-1902
1
1848-1950
1
1857-1945
1
1858-1919
1
1861-1941
1
1864-1920
1
1865-1950
1
more ...