This Day in History: 0000-12-13

13 Dec – The Massachusetts Bay Colony established three companies of militia for defense against Native Americans, the forerunners of the US Army National Guard and ultimately, of the US Army (1636).
13 Dec – Apollo 17 astronauts Harrison Schmitt and Eugene Cernan performed the third and final moon walk of the program. As of 2018 they were still the last humans to walk on the moon (1972).