Complex sentence: Despite his atrocities, Galba was afterwards made consul in the year 144 BC, with Lucius Aurelius Cotta, and the two consols fought over who would take military command in a conflict against the Viriathus in Hispania.
Split into simpler sentences: Despite his atrocities, Galba was made consul in the year 144 BC, with Lucius Aurelius Cotta. The two consuls fought over who would take military command in a conflict against the Viriathus in Hispania.