Guillaume de Machaut (or de Machault): (c. 1300 – April 1377), an important Medieval French poet and composer.
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Fort Machault: a fort built by the French in 1754 in northwest Pennsylvania.
Machault retired to his estate at Arnouville until the Revolution broke out in 1789, when, after a period of hiding, he was apprehended in 1794 at Rouen and brought to Paris as a suspect.