When was the Forgotten Realms campaign introduced?
Forgotten Realms Campaign Setting
The Cyclopedia of the Realms provides background information on and details maps of the locations in the accompanying maps of the Forgotten Realms.[1] It begins with an explanation of the Realms' treatment of time, names, language, and currency, and its gods and religion.[2] The remaining 75 pages of the book is an encyclopedic and alphabetic listing of important places, races, nations, cultures, character classes, and organizations of the Realms.[2]