sentences:  Octavian then appointed him as his colleague as consul for 30 BC, even though Crassus had not been praetor, the office that was traditionally a prerequisite for the consulship.Dispatched to Macedonia in 29 BC, he moved against the Bastarnae, a tribe of mixed ethnicity (Scythian, Dacian, and Germanic) who had crossed the Danube and threatened Roman allies in neighboring Thrace.He drove them back toward the Danube and finally defeated them in pitched battle, killing their King Deldo in single combat.