Lucius Calpurnius Proculus was a Roman governor of Dacia. He ruled Dacia for a period in the 160s, reign dates have been given variously as 161 to 164 AD [1] and 162 to 167 AD. [2] He hailed from Ancyra (Ankara), [3] and was known to have owned an estate near Laodikeia. [4] Calpurnius Proculus was killed by the Iazyges.