Geek Fact for October 14th

In 1947, Chuck Yeager made the first supersonic flight.

Yeager broke the sound barrier while flying his plane named “Glamorous Glennis” in honor of his wife. He achieved a speed of Mach 1.06 (807.2 mph or 1299.06 kph) at 43,000 feet (13.11 km).

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