Movies set in 1955
15th Ray Kroc opens his first McDonald's franchise restaurant
13th Albert Pierrepoint hangs Ruth Ellis
1st Doc writes to Marty from the past
5th the day Marty travels back in time to
12th Marty McFly escapes from the past
12th Marty and Doc travel back in time to fix the future
5th the boycotting of buses in Montgomery begins