Charles IX., second son of Henry II. and Catharine de' Medici, became king of France in 1560; the civil wars of the Huguenots and Catholics fill up this reign; the first war concluded by the peace of Amboise, during which Francis of Guise was assassinated; the second concluded by the peace of Longjumeau, during which Montmorency fell; the third concluded by the peace of St. Germain, in which Condé and Moncontour fell, which peace was broken by the massacre of St. Bartholomew, into the perpetration of which Charles was inveigled by his mother and the Guises; incensed at this outrage the Huguenots commenced a fourth war, and were undertaking a fifth when Charles died, haunted by remorse and in dread of the infinite terror (1550‒1574).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Charles VIII. * Charles X.