Napoleon's nemesis, the Duke of Wellington, was an accomplished yo-yo player. At that time, the yo-yo was known as a "bandalore". When Thomas Jefferson became U.S. President in 1801, 20 percent of all people in the young nation were slaves. Early Egyptians wore sandals made from woven papyrus leaves. The Marquis de Lafayette, America's Revolutionary War ally, named his only son George Washington Lafayette.