Era
973?-1048
29
Permian
7
To 1500
7
Triassic
5
active 16th century
5
1997-
4
Carboniferous
4
To 640
4
1201-1274
3
2003
3
20th century
3
940-998
3
Cambrian
3
Early works to 1800
3
From 230 to 570 million years ago
3
Paleozoic
3
-approximately 1436
2
1266-1318
2
1394-1449
2
1923-2008
2
1925-1979
2
1948-
2
1979-1997
2
Cretaceous
2
From 190 to 280 million years ago
2
From 230 to 345 million years ago
2
Jurassic
2
Jusqu'à 1500
2
Mesozoic
2
Oligocene
2
Pahlavi dynasty, 1925-1979
2
Quaternary
2
Since 2020
2
Tertiary
2
active 1300
2
(1201-1274)
1
-1084 or 1085
1
-approximately 1000
1
1000-1100
1
12e siècle
1
13e siècle
1
1812 or 1813-1891 or 1892
1
1839 or 1840-1908 or 1909
1
1900-1999
1
1908-1976
1
1925-1979 (Dynastie des Pahlavi)
1
1937-
1
1949 or 1950-
1
1954 or 1955-
1
19th century
1
more ...