Herbert Hoover, who was the 31st president of the United Stated, turned over all the Federal salary checks he received to charity during the 47 years he was in government.

The Pentagon, in Arlington, Virginia, has twice as many bathrooms as is necessary. When it was built in the 1940s, the state of Virginia still had segregation laws requiring separate toilet facilities for blacks and whites.

A group of a dozen or more cows is called a 'flink.'.

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