London: Ace director Christopher Nolan next project will reportedly be about the Second World War. The film already has a release date that is July 21, 2017, but details about the project are scarce.

It will be a World War II film based on Operation Dynamo, which was a near-miraculous evacuation of the British Expeditionary Force (BEF) and other Allied troops from the French seaport of Dunkirk which took place from May-June in 1940, reported The Independent.