Era
1867-1918
3
1939-1945
3
1945-1968
2
19th century
2
1288-1918
1
1700
1
1766-1826
1
1867 - 1918
1
18th century
1
1910
1
1918-
1
1918-1945
1
1945 - 1968
1
1945-1989
1
1959
1
1968-
1
1989
1
1995
1
20th century
1
Early works to 1800
1
Eocene
1
From 65 to 570 million years ago
1
Mesozoic
1
Nineteen tens
1
Oligocene
1
Ottoman Empire, 1288-1918
1
Paleozoic
1