Already in the year 1000 a donjon was destined to watch over the valley of the “Eau Blanche” (White Water).
This donjon was the origin of the castle of Chimay.
In 1863 a theatre was added recalling the one Louis XV built in Fontainebleau.
Each year the Prince and the Princess of Chimay organize an international competition of Baroc Song (october) and a Festival of Baroc Music (june)
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