Battle of Cannae shaping the military structure and tactical organization of the Roman Republican army. At Cannae, the Roman infantry assumed a formation similar to the Greek phalanx. This left them vulnerable to Hannibal's tactic of double envelopment since their inability to maneuver independently from the mass of the army made it impossible for them to counter the strategic encirclement used by the Carthaginian cavalry. The laws of the Roman state requiring command to alternate between the two consuls restricted strategic consistency. In the years following Cannae, striking reforms were introduced to address these deficiencies. First, the Romans "articulated the phalanx, then divided
Ancient history Ancient history Ancient history as a term refers to the aggregate of past events from the beginning of writing and recorded human history and extending as far as the post-classical history. The phrase may be used either to refer to the period of time or the academic discipline. The span of recorded history is roughly 5,000 years, beginning with Sumerian Cuneiform script; the oldest discovered form of coherent writing from the protoliterate period around the 30th century BC. Ancient History covers all continents inhabited by humans in the 3,000 BC – 500 AD period. The broad term Ancient History is