From the record
“The Stony Hill School is a one-room school where on June 14, 1885, the teacher and his students held the first observance of "Flag Birth Day." For this, the site was added to the National Register of Historic Places in 1976.”
Wikipedia article Stony Hill School (Waubeka, Wisconsin), CC BY-SA 4.0.
One of 38 National Register listings published here for Ozaukee County · listed in 1976 · category: Building · built in 1847.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article


