From July to December in 1741, the territory that nowadays comprehends the provinces Santiago de Cuba and Guantánamo, was part of the scenery of the called “Guerra de la Oreja de Jenkins”, on which Great Britain, France and Spain participated, moved by strategic interests in the Caribbean Mediterranean. Dr. Olga Portuondo, Historian of Santiago de Cuba city, has developed an intense research on this subject, and as a result, this book exposes and studies the character of the adversaries’ operations, and provides plenty of data about the jurisdiction which was in force in Cuba by that time.