"snow day" superstitions

[Jesse Sheidlower]

On Thu, Mar 03, 2005 at 07:07:29AM -0800, Jonathan Lighter wrote:
>
> Also, what's the earliest date fro "snow day" ?  This seems
> to me to be from the ''80s - not that I ever took notes on
> it.

ProQuest has a delightful 1951 example:

1951 N.Y. Times 1 Feb. 24/4 Embedded deeply into the routine
of the state education system are a couple of major, red
letter events, known as Snow Days.

Jesse Sheidlower
OED