• c. -4600 DR
  • The stone fortress of Sonnmorndin is built as a naval base by the Sailors of the Mountainous Waves, the marines of Haunghdannar, on the island of Arauwurbarak (present-day Ruathym). »

  • -3750 DR
  • Ships from Haunghdannar sent to the fortress of Sonnmorndin begin to disappear. All contact is lost with this outpost of the Sailors of the Mountainous Waves. »