18th century French adventuress Marie du Barry was mistress to Louis XV from 1769 until banished to the country in 1774. How did she die after she returned from a trip to England to sell her jewels in 1793?
She was guillotined Her crime was "conspiring against the Republic".
Jeanne-Antoinette Poisson, the official mistress of Louis XV of France from 1745 to 1750, lent her titled name to what hairstyle?
Which 19th century French physicist erected a pendulum 200 feet high in the Pantheon in Paris to demonstrate the earth's rotation?