Pope Alexander II was the 156th pope, and he held the title from Sept. 30, 1061 until April 21, 1073, serving for 11 years, 203 days until his death.

ROME, Feb. 4 -- In 1178, Pope Alexander III paraded through Rome during Lent and was greeted, according to a biographer at the time, by a crowd that "looked at his face as the face of Christ, of ...

A two-thirds majority of the cardinals must agree on a new pope. Pope Alexander II implemented the rule of two-thirds majority to be elected in 1169.