1930's - It Happened One Night
1940's- The Best Years of Our Lives
1950's - The Apartment
1960's- The Good, Bad & Ugly
1970's - Young Frankenstein
1980's - Back to the Future
1990's - Something About Mary
2000's - 50 First Dates
2010's - The Martian
There are so many but this is what comes to mind.