Washington National Airport became the US first federal airport.
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Donald Trump announced he was running for President.
The US executed an innocent 14-year-old African American teen for the murder of two white girls.
The longest papal reign began when Pope Pius IX was elected.
IBM was founded as the Computing-Tabulating-Recording Company in Endicott, New York.
Glenn Curtis sold the first airplane in the US for just $5,000.
