Meaning of Saint Bartholomew's Day Massacre

Saint" Barthol'omew's Day" Mas'sacre

Pronunciation: [key]
— Fr. Hist. Fr. Hist.
  1. a massacre of over 3000 Huguenots, instigated by Catherine de Médicis and begun in Paris on St. Bartholomew's Day, August 24, 1572.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.