<Li> Le Bataillon du ciel (sky's battalion), a 1947 French film directed by Alexander Esway based on the book of Joseph Kessel: Free French SAS paratroopers (Special Air Service) in Brittany from 5 June to August 1944 . </Li> <Li> The Longest Day, a 1962 film based on the book of the same name by Cornelius Ryan </Li> <Li> The Americanization of Emily, a 1964 film written by Paddy Chayefsky, directed by Arthur Hiller and starring James Garner and Julie Andrews . </Li> <Li> Overlord, a 1975 black - and - white film written and directed by Stuart Cooper, set around the D - Day invasion . </Li>

Before d-day which troops did most of the fighting in europe