Bzzzzzt! Nice try and thanks for playing.
The persistence of this error is astonishing.
1.) Operation Husky (Invasion of Sicily): 160,000 men.
2.) Operation Overlord (Invasion of Occupied Europe): 156,000 men.
When historians say D-Day was the largest amphibious invasion, I believe they are referring to not just the total number of ground troops, but also the number of ships and aircraft involved.