In a 1999
Smithsonian Magazine article, Timothy Foote explained, driven by duty to present himself to the citizens of the shaky new union, young George Washington spent the night in so many inns and private houses that “George Washington Slept Here” became a real estate cliché, as well as the title of a clunky 1940 stage show and 1942 comedy film starring Jack Benny.
One wonders, if the phrase was so popular, if Professor Childermass and Johnny ever saw it on something during the course of their adventures throughout New England. It would be nice to pretend Washington slept at ... oh, let's say the Fitzwilliam Inn in New Hampshire, the site of The Spell of the Sorcerer's Skull. However, the inn opened in 1796 and the former president would die a mere 3 years later, so --
Anyway --
Fast-forward to a Feb. 14 Boston Globe article about where Washington slept in Newburyport. The library of all place.