Era
20th century
8
18th century
7
1939-1945
4
World War, 1939-1945
4
1900-1999
3
1990-
3
Occupation, 1939-1945
3
Partition period, 1763-1796
3
16th century
2
1700-1799
2
17th century
2
1871-1954
2
1918-1945
2
19th century
2
Mesozoic
2
Nineteen twenties
2
( -1675)
1
1500-1699
1
1500-1799
1
1509-1591
1
1516-1574
1
1568-1600
1
1655-1660
1
17 w
1
1738-1786
1
1763-1796
1
1795-1864
1
1800
1
1800-1999
1
1864-1918
1
1871-1918
1
1900-1983
1
1914-2020
1
1933-
1
1945-
1
1945-1981
1
1945-1990
1
1970-2000
1
1979-
1
1981-
1
1981-2001
1
1989-
1
476-1492
1
Athenian supremacy, 479-431 B.C
1
Casimir III, 1333-1370
1
Cretaceous
1
Early works to 1800
1
First partition, 1772
1
From 230 to 280 million years ago
1
From 230 to 570 million years ago
1
more ...