Her principal places of worship were at Mycenæ, Sparta, Argos, Rome, and Heræum. […] Apollo’s principal duty was to drive the sun chariot. […] He was one of the twelve principal gods of Olympus, and was widely worshipped. […] Mars’ principal votaries were therefore the Roman soldiers and youths, whose exercising ground was called, in his honour, the Campus Martius, or Field of Mars. […] His principal votaries were the seamen and horse trainers, who often bespoke his aid.