In the final programme in the three part series Invasion!, airing on Tuesday 19 December at 9.00pm on BBC Four, historian Dr Sam Willis (pictured above) finds evidence of the rich legacy of the Huguenots, who came to Britain bringing fine silks and the latest technological developments.
He also discovers the ingenious French plans to invade Britain by balloon and the subterranean fortress built for troops in the 19th century when invasion paranoia was at fever pitch.
In this series intrepid historian Dr Sam Willis reveals a remarkable story of invasion in Britain that spans thousands of years.
Invasion! with Sam Willis Episode 3 (of 3) airs Tuesday 19 December 2017 from 9.00pm-10.00pm on BBC Four.