Thank you, Lindsay, for posting this, and thank you, NPR, for being awesome.
The Daily What
Alternatively, I learned from a friend's facebook that it is Anna Howard Shaw Day, which you may learn more about via the link above or, more amusingly, here. I do wonder how I attended a Methodist school for two years and never heard of this interesting woman--unless someone was unsure of how to broach the topic of a woman being an ordained minister. That was probably it.