In the United States birds and planes collided more than 22,000 times between the years of 1990 and 1998.

In July 1874, a swarm of Rocky Mountain locusts flew over Nebraska covering an area estimated at 198,600 square miles. It is estimated that the swarm contained about 12.5 trillion insects. These insects became extinct thirty years later.

The Library of Congress has 600 miles of shelves.

A M A Z I N G   F A C T S