Era
1772-1811
2
1880-1967
2
1922-1995
2
1941-1979
2
1973-
2
1973-1989
2
1979-
2
1989-2001
2
Mohammad Reza Pahlavi, 1941-1979
2
Since 1973
2
1831-1896
1
1889-1945
1
1900-1999
1
1913-2015
1
1916-2009
1
1918-
1
1918-1981
1
1924-2005
1
1926-2019
1
1929-2004
1
1934-2016
1
1935-2023
1
1939-2018
1
1941 - 1979
1
1942-
1
1945-
1
1946-
1
1950-
1
1952-
1
1954-
1
1955?-1974
1
1958-
1
1959-
1
1960-
1
1972-
1
1990-1991
1
19th century
1
2003-
1
20th century
1
21st century
1
Elections, 2006
1
Elections, 2015
1
Qajar dynasty, 1794-1925
1
active 2nd century
1