No premier of New South Wales before him had continuously remained in power as long as Cahill did .
No later premier would manage to surpass the length of Cahill 's tenure until Robert Askin in 1972 .
No premier of New South Wales before him had continuously remained in power as long as Cahill did and no later premier would manage to surpass the length of Cahill 's tenure until Robert Askin in 1972 .