William Wilberforce By go311 Aug 24, 1759 The Birth of William Wilberforce Jan 1, 1780 William Wilberforce becomes MP for Hull Feb 1, 1784 William Wilberforce becomes MP for Yorkshire Jan 1, 1787 A group/committee is formed to try and stop the slave trade Jan 1, 1788 William Wilberforce begins to try and remove slave trade Jan 1, 1789 William Wilberforce speaks about stopping slave trade Jan 1, 1807 The Bill to stop the slave trade is passed Jan 1, 1825 William Wilberforce retires as MP Leader Retired because of health and sickness problems Jul 29, 1833 William Wilberforce dies aged 73