1921-23 to 1937-38 one District Governor
1938-39 five District Governors (N,Y,S,L,A).
1949-50 eight District Governors (N,E,W,Y,O,R,K,S).
1960-61 District Y1 and Y2 created.
1962-63 District K1 and K2 created.
1973-74 District R1 and R2 created.
District E1 and E2 created.