Era
2000-2020
9
Mesozoic
9
Cretaceous
8
Jurassic
6
19th century
5
20th century
5
From 140 to 190 million years ago
4
1884-1960
3
1900-1999
3
From 65 to 140 million years ago
3
From 65 to 230 million years ago
3
1831-1899
2
1835-1919
2
1840-1897
2
1564-1616
1
1800-1899
1
1804-1892
1
1807-1889
1
1807-1894
1
1823-1878
1
1860-1890
1
1899-
1
1946-
1
1970-2000
1
1981-1990
1
1994
1
Carboniferous
1
Triassic
1
b. 1862
1