In the structure of this work, there are three chapters that basically serve for the materialization of the results of the critical-historiographic analysis and the use of the sources of information; at the time that the delimitation of the temporary space responds to the moments of the History of Cuba and Camagüey, seen in the relation from the general to the particular in which the approached events took place: antecedents, 1955-58; gestation, 1959-1961; and construction of the leading Party of the Revolution, 1961-1965.