William the Conqueror’s invasion plans

William the Conqueror famously defeated King Harold at the battle of Hastings in 1066. But in order to achieve this victory, he first had to get his army (and some 2000 horses) across the sea from Normandy. So how exactly did he manage that gargantuan task? Speaking to David Musgrove, Rebecca Tyson reveals how a wealth of maritime knowledge and experience was required to pull off this extraordinary feat.