F1 Scarlet Quiz
   
16. When was the Indianapolis 500 included in the Formula 1 Championship?
  1950

17. What was the most significant thing that happened in 1951?
  Ferrari won all but one rounds of the world championship. Failed to win the Indianapolis 500 race

18. Who won the constructor’s championship in 1952?
  Ferrari

19. Who won the Driver’s championship in 1952?
  Alberto Ascari

20. When did Ferrari win its second Formula 1 constructors’ championship?
  1952