Concordat of Gríðarstórborg
From ShireWiki
The Concordat of Gríðarstórborg was a treaty between the Jólaslafðir and the Valtian Free State. It is one of the most famous and most important Concordats ever concluded by the Jólaslafðir.
The aforesaid Concordat, among others, created and established the Ancient Ways as the customs of worship of the Valtian Free State. Parts of the Concordat of Gríðarstórborg were incorporated in the Pact of the Heartland and are therefore still in force.
