Andrew Jackson was the only US President to have the national debt paid in full.

In 2005, at least 2.5 million American drivers aged 85 or older had valid drivers licenses.

1957: The respected BBC news show Panorama announced that thanks to a very mild winter and the virtual elimination of the dreaded spaghetti weevil, Swiss farmers were enjoying a bumper spaghetti crop. It accompanied this announcement with footage of Swiss peasants pulling strands of spaghetti down from trees. Huge numbers of viewers were taken in. Many called the BBC wanting to know how they could grow their own spaghetti tree. To this the BBC diplomatically replied, "place a sprig of spaghetti in a tin of tomato sauce and hope for the best."

China is the birthplace of the first seismograph. Built in 132 AD by a man named Cheng Heng, it consisted of eight metal dragons holding eight carved balls over eight frog figurines. If an earthquake made the ground vibrate, the dragon facing the quake's source would drop a ball into the mouth of its corresponding frog.