May 23rd 1925
1933
1935
1937
1942
1943
1948
1949
1951
1955
1961
1962
1963 – 1966
1965
1966
1967 – 1972
1973
1974
1975
1976 – 1977
1977
1978 – 1980
1980
1981
1982 – 1984
1984 – 1986
1985
1986
1986 – 1990
1990 – 1992.
1992 -1994
1993
1994 – 1996
1996
1996 – 2000
2000 – 2004
2001
2003
2004 – 2006
2006
2006 – 2009
2009
2010
2011
2012
To promote and encourage economic, educational, cultural, religious, social, and technological development and progress of Oro within the framework of one Nigeria.