In order to put down rebellion in England what did William the Conqueror do?
A. Attacked London with his cannons.
B. Declared a curfew.
C. He didn't, he retreated to Normandy.
D. He partnered with the King of France and invaded again.
He made a law that all lights should be put out and fires covered with ashes at eight o'clock every evening, so that the people would have to go to bed then. A bell was rung in all cities and towns throughout England to warn the people of the hour. The bell was called the "curfew," from the French words "couvre feu," meaning "to cover fire."