When did the Romans come back from invading?

The Romans returned from their invasions and military campaigns at various times throughout their history, depending on the specific conflict or region involved. Notably, after Julius Caesar's campaigns in Gaul (58-50 BCE), he returned to Rome with significant spoils and troops. Additionally, after the conquest of Britain, Roman forces returned periodically for reinforcements or to address rebellions. The timeline of these events varies widely, so a specific date or invasion would need to be clarified for a more precise answer.