What is the name of the massacre where thousands of French Protestants were killed in 1572?

Bartholomew's Day, massacre of French Huguenots (Protestants)

Bartholomew's Day, massacre of French Huguenots (Protestants) in Paris on August 24/25, 1572, plotted by Catherine de' Medici and carried out by Roman Catholic nobles and other citizens. It was one event in the series of civil wars between Roman Catholics and Huguenots that beset France in the late 16th century.0

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