 In 1813 the penal acts against deniers of the Trinity were repealed by the Doctrine of the Trinity Act 1813, largely pushed through Parliament by William Smith, M.P., abolitionist, and grandfather of Florence Nightingale.In 1825 the British and Foreign Unitarian Association was formed as an amalgamation of three older societies, for literature (1791), mission work (1806) and civil rights (1818).Attacks were made on properties held by Unitarians, but created prior to 1813.