Westminster Abbey politicians, doctors and scientists such as Isaac Newton, buried on 4 April 1727, Charles Darwin, buried on 26 April 1882, and Stephen Hawking, buried on 15 June 2018. Another was William Wilberforce who led the movement to abolish slavery in the United Kingdom and the Plantations, buried on 3 August 1833. Wilberforce was buried in the north transept, close to his friend, the former Prime Minister, William Pitt. During the early 20th century it became increasingly common to bury cremated remains rather than coffins in the abbey. In 1905 the actor Sir Henry Irving was cremated and his ashes buried
Abolitionism in the United Kingdom ships. Action was also taken against African leaders who refused to agree to British treaties to outlaw the trade, for example, in 1851 it deposed “the usurping King of Lagos”. Britain signed anti-slavery treaties with more than 50 African rulers. After the 1807 Act, slaves could still be held, though not sold, within the British Empire. In the 1820s, the abolitionist movement may have revived the campaign against the institution of slavery. In 1823 the first Anti-Slavery Society was founded in Britain. The Society's members consisted of a union of non-conformist churches and many had previously campaigned against the slave