The Eiffel Tower was meant to be temporary.

Wacky WorldHistory

It was built for the 1889 World’s Fair with a permit for 20 years. It survived partly because it proved useful as a radio transmission tower.

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A “peppercorn rent” is a real legal term — and was once literally a peppercorn.The QWERTY keyboard is over 150 years old.<span class="aj-year">1834</span>Ketchup was sold as a medicine in the 1830s.