Original: When Julius Caesar was in Gaul (57-56 BC), he sent Servius Galba with the twelfth legion and some cavalry into the country of the Nantuates, Veragri, and Seduni.
Simplified: When Julius Caesar was in Gaul (57-56 BCE), he sent Servius Galba with the twelfth legion and some cavalry into the country of the Nantuates, Veragri, and Seduni.