Slaves under the last emperors of China wore pigtails so they could be picked out quickly.
The Great Wall of China, which is more than 2,500 miles long, took more than 1,700 years to build. There is enough stone in the Great Wall to build an 8-foot wall encircling the globe at the equator.
The letter “”J”” does not appear anywhere on the periodic table of elements.
All four Teenage Mutant Ninja Turtles are named after painters and/or sculptors, but Donatello does not come from the same time period as Leonardo, Michelangelo and Raphael.
Andrew Johnson was a self-educated tailor. He is the only president to make his own clothes and those of his cabinet.
The band Duran Duran got its name from a character in the 1968 Jane Fonda movie “”Barbarella.””
There are more species of fish than mammals, reptiles and birds combined.
Twenty years make up a vicennial period.
In 1968, a convention of beggars in Dacca, India, passed a resolution demanding that the minimum value of alms be fixed at 15 paisa (three cents).
Lab tests can detect traces of alcohol in urine six to 12 hours after a person has stopped drinking.
The Soviet Sukhoi-34 is the first strike fighter with a toilet in it.
At the turn of the previous millennium, Dublin, Ireland, had the largest slave market in the world. It was run by the Vikings.
The elephant is the only mammal that can’t jump.
An inch of snow falling evenly on one acre of ground is equivalent to about 2,715 gallons of water.
The Harlem Globetrotters’ theme song is “”Sweet Georgia Brown.””
