The text offers a chronology of the most significant events of the historical development of the Knight of the Light Order in the territory of the jurisdiction of the Oriental Grand Lodge during the 20th century. Hence, it constitutes a historiographic contribution to the study of the fraternal associationism in Cuba and in particular of the referred association in the territory of the old Cuban provinces: Camaguey and Oriente: from the town of Jatibonico in the current province of Sancti Spíritus to the territory of the current province of Guantánamo. The main events that are collected in the text are related to the foundations of lodges, initiations of outstanding members, activities of sociocultural significance, such as inauguration of houses-temples, parades, unveiling of busts and Marti's corners, organization of commemorative and patriotic acts; as well as activities that reflect their charitable actions.