Francois I (1494-1547), though not one of history's great commanders, was a determined one. He campaigned often with his armies in Italy winning several victories including a decisive win at Marignano in 1515. Ten years later, however, he was marched away to Spain after being defeated and captured at Pavia.
The site of the Tower of London - top left: before the Romans, right: 400 AD, Twilight of the Roman City -bottom left: 1080 The Conquerors' Castle and right: 1200 AD the Tower enlarged. via royalarmouries org