Answer:
Nantes, Edict of (1598) French royal decree establishing toleration for Huguenots (Protestants). It granted freedom of worship and legal equality for Huguenots within limits, and ended the Wars of Religion. The Edict was revoked by Louis XIV in 1685, causing many Huguenots to emigrate.
Explanation:
Plessy v. Ferguson said it was constitutional to have separate but equal public facilities for whites and blacks, basically legalizing segregation. This ruling remained constitutional until the Brown v. Board of Education decision overruled this and outlawed segregation in public facilities.