"Come general, the affair is over, we have lost the day," Napoleon told one of his officers. "Let us be off." The day was June 18, 1815. By about 8 p.m., the emperor of France knew he had been ...

One of which was harnessing the power of fire. However, not many well-preserved fireplaces dating back to the coldest part of the ice age (between 26,500 and 19,000 years ago) remain in Europe.