The oldest university in North America was founded in 1551. It's the National University of Mexico, founded by King Charles I of Spain. The most common birth day is Tuesday, while Saturday is the least common. The capital of Brazil, Brasilia, was built in just under four years, from 1956 to 1960. Rio had been the capital for almost 200 years prior to that. Contrary to popular belief, one in four cowboys were actually black. Nearly one tenth of all men alive today in central Asia are descended from Mongolian Emperor Genghis Khan, who clearly got around. Chuck E. Cheese's full name is Charles Entertainment Cheese.