Complex sentence: The Battle of Canusium was a three day engagement between forces of Rome and Carthage that took place in Apulia during the summer of 209 BC, the tenth year of the Second Punic War.
Split into simpler sentences: The Battle of Canusium was a three-day engagement between the forces of Rome and Carthage. It took place in Apulia during the summer of 209 BC, the tenth year of the Second Punic War.