The Thurian Age is a specific epoch in the fictional timeline used by Robert E. Howard in his Kull stories. It predates the Hyborian Age of the Conan the Barbarian stories and is known to them as the Pre-Cataclysmic Age. The main continent is called Thuria, although smaller continents such as Atlantis and an unnamed Eastern continent exist, as do several island chains. Most of the planet is unexplored wilderness inhabited by "scattered clans and tribes of primitive savages." The boundary between the two ages is marked by the "Great Cataclysm," which might have taken place as early as ca. 35,000 to 40,000 B.C, or as recently as 18,000 B.C. depending on the sources considered. When Robert E. Howard began to chronicle the adventures of Conan the Cimmerian, more than seventy years ago, he prep