In June 1940, it was mobilized and took part in the Italian invasion of France as a part of the Italian VII Army, but due to the quick German victory in the Battle of France the division was not involved in any operations before the French surrender.
For their role in the defence of the Rome the 1st Granatieri di Sardegna Regiment and the 8th Cavalry Regiment Lancieri di Montebello were awarded with the Gold Medal of Military Valour.