1981-2001 3
20th century 3
21st century 3
Triassic 3
1949- 2
1990- 2
Holocene 2
Tertiary 2
-1771 1
1412-1431 1
1497-1558 1
1509-1564 1
1646-1716 1
16th century 1
17th century 1
1848-1925 1
1886-1931 1
1889-1951 1
1889-1976 1
1893-1976 1
1903-1944 1
1921-1997 1
1931-2015 1
1945-1989 1
1960- 1
1960-2021 1
1993- 1
1994- 1
19th century 1
2000- 1
2001- 1
Arab rebellion, 1936-1939 1
Cenozoic 1
Civil War, 1861-1865 1
Cretaceous 1
Dhofar War, 1964-1976 1
Eocene 1
Jurassic 1
Malayan Emergency, 1948-1960 1
Mesozoic 1
Miocene 1
Mississippian 1
Paleozoic 1
Permian 1
Quaternary 1
Republic, 1912-1949 1
approximately 1663-1727 1