Era
Cretaceous
5
From 65 to 140 million years ago
3
Tertiary
3
1919-1959
2
Precambrian
2
1806-1872
1
1873-1948
1
1886-1937
1
1886-1977
1
1944-
1
1975-2002
1
20e siècle
1
20th century
1
Cenozoic
1
Civil War, 1975-2002
1
Fossil Angola
1
From 10 thousand to 2 million years ago
1
From 2 to 140 million years ago
1
From 570 million to 5 billion years ago
1
Pleistocene
1