Nine other men had won back-to-back titles in Australia over 45 years, but none were able to claim three in a row.
Only two other men, American Jack Crawford (1931-33) and Australian Roy Emerson (1963-67), have won three or more consecutive Australian championships.
Born a week apart in May 1987 and friends since their junior playing days, Djokovic and Murray played like they knew each other's game very well in a rematch of last year's U.S. Open final. There were no service breaks until the eighth game of the third set, when Djokovic finally broke through and then held at love to lead by two sets to one.