claim: Barcelona is a city outside of Spain in Portugal.
evidence: NOTOC. Year 234 BC was a year of the pre-Julian Roman calendar .. pre-Julian Roman calendar. Roman calendar. At the time it was known as the Year of the Consulship of Albinus and Ruga -LRB- or , less frequently , year 520 Ab urbe condita -RRB- .. Ab urbe condita. Ab urbe condita. The denomination 234 BC for this year has been used since the early medieval period , when the Anno Domini calendar era became the prevalent method in Europe for naming years .. Anno Domini. Anno Domini. calendar era. calendar era