When the French revolution happened, most of the Nobility that hadn't escaped was executed, and all things relating to the Church were forbidden. Even the calendar was changed because the names of months were related to Christian things. It influenced numerous political revolutions, Haiti just being one of the country that started a revolution.
is found to have solidified in a new shape. And the magic of fire has yet more to offer. ... The use of fire thus makes possible two significant new steps in the development of metallurgy