Vikings used the skulls of their enemies as drinking vessels.
169
Hundreds of years ago, the Aztecs of Mexico and the people of Nicaragua believed gods lived in volcanoes. They would sacrifice beautiful young girls to these powerful gods.
10
The U.S. motto, 'In God We Trust', was not adopted as the national slogan until 1956.
72
Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
13
Napoleon had conquered Italy by the time he was twenty-six.
74
Approximately 25,000 workers died during the building of the Panama Canal, and approximately 20,000 of them contracted malaria and yellow fever.
14