Fur trade marten furs could generate in international markets spurred a "fur fever" in which many Russians moved to Siberia as independent trappers. From 1585 to 1680, tens of thousands of sable and other valuable pelts were obtained in Siberia each year. The primary way for the Muscovite state to obtain furs was by exacting a fur tribute from the Siberian natives, called a "yasak". "Yasak" was usually a fixed number of sable pelts which every male tribe member who was at least fifteen years old had to supply to Russian officials. Officials enforced "yasak" through coercion and by taking hostages, usually
Martes y Trece Martes y Trece Martes y Trece were a trio (and later, duo) of Spanish comedians whose members were Josema Yuste, Millán Salcedo and Fernando Conde. Their style was characterized by grotesque gags on everyday life and caricatures of famous people. The trio made their first television appearance in 1978 on a program by José María Íñigo, and due to their success they repeated four times. Fernando Conde left the group in 1985 to dedicate himself to the theater, but Josema Yuste and Millán Salcedo continued to act together until 1997. Millán and Conde met in the military service in Santander