The main purpose is to provide a defense of the history of psychology at a global (worldwide); however, it is important to consider that this defense arises from Latin America. Given that this panorama is mostly unknown to a large part of psychologists, this article presents itself as an explicit action to foster this discipline by addressing three main issues. Firstly, present some milestones in the journey of the history of psychology at the global with an emphasis on Latin America. Secondly, present a series of critical reflections on the current relevance of this area within the field of psychology. Finally, establish a position in 10 sentences that acts as a defense of the importance of the history of psychology for the psychological discipline on various levels. While the majority of the content presented here is commonly recognized among individuals professionally immersed in historical research within the realm of psychology, it possesses a diminished level of accessibility for students and psychologists not specializing in historical matters. The aim here is not to convince those who are already convinced, but to have an impact beyond the community of specialists that, synergistically, can affect the vast field of psychology in general.