1. Olympic posters and emblems

15. Fifty - four years after Italy had to give up hosting the Olympics, Rome finally got its chance .

16. The final torchbearer Yoshinori Sakai was born in Hiroshima the day that the city was destroyed by an atomic bomb.

18. The 1972 Games were the first to have a named mascot: Waldi, the dachshund.

28. In 2004 the Olympic Games returned to Greece, the home of both the ancient Olympics and the first modern Olympics.

29. Credit: IOC / Olympic Museum Collections Noemi , August 08