Here’s a list of movies that deal directly with D-Day, June 6 1944 or are indirectly linked to the D-Day invasion in one form or fashion.
The Longest Day – https://www.imdb.com/title/tt0056197/
Band of Brothers – https://www.imdb.com/title/tt0185906
Saving Private Ryan – https://www.imdb.com/title/tt0120815
Where Eagles Dare – https://www.imdb.com/title/tt0065207
The Big Red One – https://www.imdb.com/title/tt0080437