Photo Gallery from the DUNKIRK Press Event in Los Angeles Time flew by very fast while attending the DUNKIRK press event at the Barker Hangar in Santa Monica. Take a look below at the spectacular props and costumes that Warner Bros. assembled. DUNKIRK will be released in theaters on July 21. Miraculous evacuation of Allied soldiers from Belgium, Britain and France, who were cut off and surrounded by the German army from the beaches and harbor of Dunkirk, France, between May 26- June 04, 1940, during Battle of France in World War II.