00:00 The Battle of Cannae was a significant defeat for the Roman Republic during the Second Punic War, but it did not end the Republic due to determination and the distinction between tactics and strategy.

01:55 Rome quadrupled the size of their army and recruited soldiers who would otherwise never have been allowed to serve in order to destroy Hannibal.

03:29 The Romans, with a superior force and home field advantage, were confident in their chances of defeating Hannibal at Cannae.

05:05 The Carthaginian army, led by Hannibal, strategically formed a thin center and strong flanks to counter the Roman plan of attacking through the center, with the realization that the number of men on your line matters more than the total number of men, resulting in the Roman cavalry being squashed and the Carthaginian cavalry attacking the Roman infantry from the rear.

06:45 The Battle of Cannae resulted in a devastating defeat for the Romans, with estimates of 70,000 Romans killed, 10,000 captured, and only 3,000 surviving, as well as significant losses in leadership and a high death toll among the population of Rome.

08:34 Hannibal's decision not to march on Rome after the Battle of Cannae is a mystery, but it is likely because he underestimated Rome's strength and ability to recover, leading to the Romans rebuilding their legions and adopting a strategy of harassment and disruption.

10:17 Hannibal's victory at the Battle of Cannae has been studied and emulated throughout history, but his failure to capitalize on the victory ultimately led to his defeat.