Andrew Jackson was the only president of the United States to marry the same woman twice.
Arabic numerals were first used in India, not Arabia.
Aristarchus, a Greek who lived from 310 to 250 B.C., was the first to proclaim that the sun stands still and the earth revolves around it.
Arizona, with an average rainfall of only 7.81 inches annually, is the driest state in the United States.
The artic tern, a seabird, flies an average of more than twenty-three thousand miles every year.
Two hundred million atoms placed in a row would measure one inch.
The longest navagable inland waterway in the world is the Amazon River. Seagoing vessels can ascend it for a distance of twenty-three hundred miles.
Amen means 'so be it'.
In proporton to its size, the ant has the largest brain in the animal kingdom.
Aristarchus, a Greek who lived from 310 to 250 B.C., was the first to proclaim that the sun stands still and the earth revolves around it.
Asia is four times larger than Europe.
The cost of manufacturing the first atomic bomb was two billion dollars.
In 1894 there were only four automobiles in the United States.
Although frost does not cause the chemical process that produces the brilliant colors in autumn leaves, it often hastens the coloring process.
On May 25, 1935, Babe Ruth hit his 714th (and last) home run.
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