When was the  Roman politician and general died during who's reign Gaius Nasennius were soldiers?
Nasennia (gens) The gens Nasennia was an obscure plebeian family at Rome. None of the Nasennii held any of the higher offices of the Roman state, and the family is best known from Gaius Nasennius, a soldier in the time of Caesar. Many other Nasennii are known from inscriptions.
Claudius Silvanus Claudius Silvanus (died 7 September 355) was a Roman general of Frankish descent, usurper in Gaul against Emperor Constantius II for 28 days in AD 355.