The Cohors IV Baetica was a cohort of Roman auxiliaries. It was originally recruited from natives of Hispania Baetica, a Roman province created on 29 BC, after the division of province Hispania Ulterior.
In a bronze inscription dated 51–74 AD, which was found in Bergamo on 1871, it is mentioned a member of the cohors "M(arcus) Sempronius Fuscus praefectus cohortis Baeticae".The Auxilia of Olteni, Covasna County – Controversies and interpretations, by Zsigmond Lóránd Bordi and Radu Iustinian Zăgreanu
See also List of Roman auxiliary regiments
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