May 17, 1920. More flights.
"Annual May Festival of the Friends Select School, Washington D.C. Held at the Friends Country Club." Pageants like this were common at the time.
It was a day for flight.
The Canadian Air Force, a Canadian air militia that principally served as an airman trainer, came into being. It was not a standing air force and it would very soon be replaced by one, which would be the Royal Canadian Air Force in 1924.
On the same day, KLM, the Dutch airlines which is the oldest airline in the world, made its first flight, that being from London to Amsterdam. There were only two passengers and some mail, but then the flight was made in a leased DH16, which is not a giant aircraft.
Airco Aircraft Transport and Travel DH16
The plane was leased from the British Aircraft Transport and Travel company.
Meanwhile, Carranza was still holding out in Mexico in what the newspapers were calling a "heroic" last stand.
And President Wilson, in a speech, warned that the United States had used 40% of its proven oil reserves and only had 20 years of petroleum production left.