For all you trivia buffs:

First time that an original motion picture and it's sequel both won Best Picture Oscars - Godfather 1 & 2.

First time that 2 different actors won an Oscar fer portraying the same character - Godfather 1 - Brando (Best Actor) and Godfather 2 - DeNiro (Best supporting Actor) for Vito Corleone.

First time that an actor won an Oscar for speaking primarily in a foreign language (Sicilian dialect) Godfather 2 - DeNiro.for Vito Corleone