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D-Day produced thousands of code names, acronyms, abbreviations and many other strange and unusual terms and names!

We have compiled a list of some of the most common terms related to D-Day. If you think something is missing, please let us know.

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Fabius, Exercise

A series of exercises before D-Day that acted as a last ‘dress rehearsal’ for the troops who would land on D-Day itself.

Falaise Pocket

After the Allies advanced from the Normandy beachhead in late July and early August 1944 a large number of German units were surrounded near the town of Falaise. This area became known as the Falaise Pocket.


A British modification of the Sherman tank that replaced the 75mm gun with a British 17-pounder gun.

Fortitude, Operation

The codename for a deception plan developed by the Allies before D-Day. Fortitude created fake armies in south-east England and Scotland to convince t he Germans that the Allies were planning to land in the Pas-de-Calais region of France or in Norway.


Officially the French Republic, France is a country whose territory consists of metropolitan France in western Europe, as well as several overseas regions and territories. France was occupied by Nazi Germany in 1940 and liberated by the Western Allies in 1944. While France was occupied many French people had escaped and joined the Free French Forces and fought with the Allies.