History of slavery many years of lobbying by the abolitionist movement, led primarily by William Wilberforce, the British Parliament voted to make the slave trade illegal anywhere in the Empire with the Slave Trade Act 1807. Thereafter Britain took a prominent role in combating the trade, and slavery itself was abolished in the British Empire with the Slavery Abolition Act 1833. Between 1808 and 1860, the West Africa Squadron seized approximately 1,600 slave ships and freed 150,000 Africans who were aboard. Action was also taken against African leaders who refused to agree to British treaties to outlaw the trade. Akitoye, the 11th Oba
Burials and memorials in Westminster Abbey near the grave of Sir Isaac Newton. The memorial stone, bearing the inscription 'Here lies what was mortal of Stephen Hawking 1942–2018', includes a form of the Bekenstein–Hawking entropy equation relating to black holes. In the floor just inside the great west door, in the centre of the nave, is the tomb of The Unknown Warrior, an unidentified British soldier killed on a European battlefield during the First World War. He was buried in the Abbey on 11 November 1920. There are many graves in the floors of the Abbey, but this is the only grave on which it is