Dinosaurs ruled the Earth for over 160 million years, from the Triassic period around 230 million years ago through the Jurassic period and until the end of the Cretaceous period around 65 million years ago.

When the First Lady, Eleanor Roosevelt, received an alarming number of threatening letters, soon after her husband became President at the height of the Depression, the Secret Service insisted that she carry a pistol in her purse.

The city of Los Angeles has about 3x more automobiles than people.

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