... for January 27th. Sorry for the email spam, I'm done after this!

On this day in 1967, the Outer Space Treaty opened for signatures. https://en.wikipedia.org/wiki/Outer_Space_Treaty

On this day in 1736, the last king of Poland abdicated the throne. https://en.wikipedia.org/wiki/Stanisław_Leszczyński

Ed Erhart
Editorial Associate
Wikimedia Foundation