Wyoming’s Grand Teton National Park was established after being signed off by President Calvin Coolidge.
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Nineteen tourists were killed in a hot air balloon crash in Luxor, Egypt.
Robert Watson-Watt demonstrated radar in Slough, England, UK.
The HMHS Britannic, sister to the RMS Titanic, was launched at Harland and Wolff shipyard in Belfast.
£1 notes were circulated in Britain.
The UK had its first Grand National Steeplechase at Aintree Racecourse in Liverpool.