The northern kingdom was founded by humans in 272 DR to guard against orc attacks. Around 306 DR, Grimmantle was swept away as by the orcs of the Thousand Fangs tribes on their way down to destroy Neverwinter and Illusk.
- ↑ Ed Greenwood, Sean K. Reynolds, Skip Williams, Rob Heinsoo (June 2001). Forgotten Realms Campaign Setting 3rd edition. (Wizards of the Coast), p. 294. ISBN 0-7869-1836-5.
- ↑ 2.0 2.1 2.2 Richard Baker, Ed Bonny, Travis Stout (February 2005). Lost Empires of Faerûn. (Wizards of the Coast), p. 146. ISBN 0-7869-3654-1.
- ↑ Brian R. James and Ed Greenwood (September, 2007). The Grand History of the Realms. (Wizards of the Coast), p. 69. ISBN 978-0-7869-4731-7.
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