Anti-Catholicism in the United Kingdom nor was a Protestant heir any longer empowered to enter and enjoy the estate of his Catholic kinsman. However, the passing of this act was the occasion of the anti-Catholic Gordon Riots (1780) in which the violence of the mob was especially directed against Lord Mansfield who had balked at various prosecutions under the statutes now repealed. The anti-clerical excesses of the French Revolution and the consequent emigration to England of Catholic priests from France led to a softening of opinion towards Catholics on the part of the English Anglican establishment, resulting in the Roman Catholic Relief Act 1791 which
Anti-miscegenation laws in the United States first had little impact on the enforcement of anti-miscegenation laws. An exception was Pennsylvania, which repealed its anti-miscegenation law in 1780, together with some of the other restrictions placed on free blacks, when it enacted a bill for the gradual abolition of slavery in the state. The Quaker planter and slave trader Zephaniah Kingsley, Jr. publicly advocated, and personally practiced, racial mixing as a way toward ending slavery, as well as a way to produce healthier and more beautiful offspring. These views were tolerated in Spanish Florida, where free people of color had rights and could own and inherit property.