"A Collection of Unpublished Documents Relating to the Discovery, Conquest, and Organization of the Former Spanish Possessions Beyond the Seas. Volume 1, The Island of Cuba" is a source that immerses the reader in the history of the great period of expansion of the Spanish Empire. The collection of documents tells about important events related to the conquest and colonization of the Caribbean island of Cuba. The reader will be able to deepen his understanding of the organization and institutional structure of the colonial system, as well as learn about important events that affected the lives of local residents and relations between the Spaniards and the local population. This book is an inexhaustible source of knowledge about the era when new worlds were opened and great historical events culminated in the development of mankind.