The 4th Marianas History Conference took place on Saturday, August 31st and Sunday, September 1st of 2019. The event was held at the University of Guam, with the opening reception at the Latte of Freedom and closing ceremonies at the Guam Museum. This Overview contains our Guampedia brief, the conference program, conference photos, Keynote: Dr. Rene R. Escalante, and Endnote by Dr. Carlos Madrid, MARC's Director.