Early American humans hunted car-size armadillos and used their shells for houses.
12
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
In 1987 American Airlines saved $40,000 by eliminating one olive from its First Class salads.
86
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Until President Kennedy was killed, it wasn't a federal crime to assassinate the President.
341
February 1865 is the only month in recorded history to not have a full moon.
83
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
