Battle of Marathon the Athenian army marched the 40 kilometers (25 miles) or so back to Athens at a very high pace (considering the quantity of armour, and the fatigue after the battle), in order to head off the Persian force sailing around Cape Sounion. They arrived back in the late afternoon, in time to see the Persian ships turn away from Athens, thus completing the Athenian victory. Later, in popular imagination, these two events were conflated, leading to a legendary but inaccurate version of events. This myth has Pheidippides running from Marathon to Athens after the battle, to announce the Greek victory
Ancient Greek units of measurement 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 official standards. Some Greek