J. Edgar 2011

All credits go to IMDb user: RDLongoria

https://www.imdb.com/user/ur37216974

And more:
http://en.wikipedia.org/wiki/List_of_films_based_on_actual_events

Movies

All credits go to IMDb user: RDLongoria

https://www.imdb.com/user/ur37216974

A biographical film or biopic is a film that dramatizes the life of a non-fictional or historically-based person or people.

Source:
Years 1931-2018 come from:
The New York Times: Book of Movies
the essential 1,000 films to see
2019 ed

Years after 2018 come from NYT website.

work in progress
There are discrepancies between the website and the book, particular for years after 2003. Please leave a comment for any errors you find.

Complete movies of the great directors. Starting with Quentin Tarantino and the Coen brothers.

https://en.wikipedia.org/wiki/List_of_films_based_on_actual_events

Movies and Documenteries exploring the world of Famous Gangsters & Organized crime

HollyWood Movies based on Popularity

Movies Based Factually or Loosely on True Stories & Biographies. Note: Although some may be loosely based on a true story or on the situations in life. They portray the times & life of the times.

Tutti i film con Leonardo DiCaprio nel cast