List of largest parachute assaults
This is a list of the largest parachute assaults in history. The overwhelming majority of these occurred during World War II. Invasion of Normandy: 13,100 American paratroopers and 8,500 British and Canadian paratroopers Operation Varsity: March 24, 1945.
Source: Wikipedia — List of largest parachute assaults (CC BY-SA 4.0)