May 20, 1892: The act is signed that creates the Adirondack Park.
This date is also the birthday of Harold K. Hochschild, the founder of the Adirondack Museum.

DON'T FORGET TO THANK HAROLD
by Dan Berggren (recording 1992)

On the twentieth of May in 1892,
The Adirondack Park was brand-spanking-new.
So was Harold Hochschild, that’s his birthday, too
And he left a lot of presents for me and you