Battle of Marathon could be in battle. The phalanx formation was still vulnerable to cavalry (the cause of much caution by the Greek forces at the Battle of Plataea), but used in the right circumstances, it was now shown to be a potentially devastating weapon. The most famous legend associated with Marathon is that of the runner Pheidippides (or Philippides) bringing news to Athens of the battle, which is described below. Pheidippides' run to Sparta to bring aid has other legends associated with it. Herodotus mentions that Pheidippides was visited by the god Pan on his way to Sparta (or perhaps on his
Ancient Greek units of measurement Papyrus, circ 275 BC. Ancient Greek units of measurement Ancient Greek units of measurement varied according to location and epoch. Systems of ancient weights and measures evolved as needs changed; Solon and other lawgivers also reformed them "en bloc". Some units of measurement were found to be convenient for trade within the Mediterranean region and these units became increasingly common to different city states. The calibration and use of measuring devices became more sophisticated. By about 500 BC, Athens had a central depository of official weights and measures, the "Tholos", where merchants were required to test their measuring devices against