Active AD 14 until c. 100 Type Roman auxiliary cohort | Country Roman Empire Role infantry/cavalry | |
Size 600 men (480 infantry, 120 cavalry) Garrison/HQ Mauretania Caesariensis 1st century | ||
Cohors sexta Delmatarum equitata ("6th part-mounted Cohort of Dalmatae") was a Roman auxiliary mixed infantry and cavalry regiment.
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The Delmatae
It is named after the Dalmatae, an Illyrian-speaking tribe that inhabited the Adriatic coastal mountain range of the eponymous Dalmatia. The ancient geographer Strabo describes these mountains as extremely rugged, and the Dalmatae as backward and warlike. He claims that they did not use money long after their neighbours adopted it and that they "made war on the Romans for a long time". He also criticises the Dalmatae, a nation of pastoralists, for turning fertile plains into sheep pasture. Indeed, the name of the tribe itself is believed to mean "shepherds", derived from the Illyrian word delme ("sheep"). The final time this people fought against Rome was in the Illyrian revolt of 6–9 AD. The revolt was started by Dalmatae auxiliary forces and soon spread all over Dalmatia and Pannonia. The resulting war was described by the Roman writer Suetonius as the most difficult faced by Rome since the Punic Wars two centuries earlier. But after the war, the Dalmatae became a loyal and important source of recruits for the Roman army.
Origins and service history
According to Holder, a total of 12 cohortes Delmatarum appear to have been raised after the suppression of the Illyrian revolt in two series, of 7 and 5 respectively. All these units were in existence by the time of emperor Claudius (r. 41–54) Of these, 9 appear to have survived into the 2nd century.
The regiment was probably raised by founder-emperor Augustus (r. 30BC-14AD) after 9 AD. It was certainly in existence by the time of Claudius (r. 41–54). There is no diploma evidence for this regiment and the remaining inscriptions cannot be accurately dated. However, it is certain that it was serving in Mauretania Caesariensis in the 1st century. It is unlikely to have continued there into the 2nd century, as it is missing in a diploma list for 107. All its surviving inscriptions have been found on one site, Cherchel (Algeria), presumably its regular base. Given the complete absence of later evidence, it is likely that the regiment was disbanded or destroyed in action by the end of the 1st century.
Known personnel
The names of one decurio (cavalry officer) and 2 caligati (rankers) are attested, all Illyrians.