September 21, 2010
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Image via Wikipedia ante diem xi kalendas octobres Mercatus — stocking the cupboards after the ludi Romani 490 B.C. — battle of Marathon (yet another reckoning) 490 B.C. — the Athenian polemarch Callimachus dies during the Marathon campaign (contingent on the above, obviously) 19 B.C. — death of Publius Vergilius Maro (more likely than yesterday)…