This morning's Wheeling Intelligencer used this Associated Press report which did not mention the airports. It could have used this AP report which included this paragraph:
He largely stuck to his script, avoiding diversions into his agenda or re-election campaign. The president's speech, however, contained historical errors. In outlining the history of Independence Day, Trump claimed the Army "took over the airports" during the American Revolution and evoked the battle of Fort McHenry, which occurred decades later during the war of 1812. There was no air travel in America in the 18th century.
(Note – no air travel in the 18th century? Really? The AP has to explain to its readers that there were no airplanes in the 1700s?)
Needless to say, social media users responded to the President. Here are a couple of my favorites: