1787 Society for Abolition of the Slave Trade was established and Black Africans played an important part in educating the public on the horrors of the slave trade
1807 The Slave Trade ended and in 1833 the practice of slavery in the British Empire ended
Some examples of former slaves who campaigned for abolition of slave trade; Olaudah Equiano, Ottobah Cuguano, Ignatius Sancho