And the first Allied troops land in Normandy ; paratroopers are scattered from Caen southward .
5 : Operation Overlord commences when more than 1,000 British bombers drop 5,000 tons of bombs on German gun batteries on the Normandy coast in preparation for D - Day .
The first Allied troops land in Normandy ; paratroopers are scattered from Caen southward .
5 : Operation Overlord commences when more than 1,000 British bombers drop 5,000 tons of bombs on German gun batteries on the Normandy coast in preparation for D - Day .