Anti-Catholicism Catholics, and his replacement by a Dutch Protestant. For decades the Stuarts were supported by France in plots to invade and conquer Britain, and anti-Catholicism persisted. The Gordon Riots of 1780 were a violent anti-Catholic protest in London against the Papists Act of 1778, which was intended to reduce official discrimination against British Catholics. Lord George Gordon, head of the Protestant Association warned that the law would enable Catholics in the British Army to become a dangerous threat. The protest evolved into riots and widespread looting. Local magistrates were afraid of reprisals and did not issue the riot act. There
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 An exception was Pennsylvania, which repealed its anti-miscegenation law in 1780, together with some of the other restrictions placed on free blacks, when it enacted a bill for the gradual abolition of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.