6/10 How the bicycle was used in war, when thousands signed up to join cyclist battalions.
1/5 In May 1660, after years of exile in Holland, Charles II was reinstated as sovereign.
7/10 How mass produced bicycles brought freedom of the road to the working classes in the 1930s
2/5 Having re-established the monarchy, Charles turns his attentions to matters of the heart.
4/4 Tim and Alex Horne recreate a bet involving horse riding and one million dots.
8/10 How the bicycle thrived during wartime, leading to a golden age of cycling in the 1950s.