Era
prev ...
1962
4
1980
4
1990
4
Precambrian
4
17th century
3
1808
3
1834
3
1862
3
1863
3
1893
3
1900-1999
3
1904
3
1914 - 1918
3
Early works to 1800
3
From 570 million to 5 billion years ago
3
Nineteen fifties
3
Ottoman Empire, 1288-1918
3
Revolution, 1775-1783
3
Siege, 1781
3
Since 1945
3
1714-1784
2
1760-1770
2
1777
2
1794
2
1820
2
1834-1885
2
1845
2
1854
2
1856
2
1857-1859
2
1858-1862
2
1860
2
1861
2
1865
2
1866
2
1874
2
1875
2
1876
2
1878
2
1882
2
1882-1965
2
1888
2
1897-1979
2
1898
2
18th century
2
1902
2
1920
2
1945-
2
1947
2
1951
2
more ...