Dragon Run

The Dragon Run of 1306 DR leveled the city of Phlan on the Moonsea.

Causes
During 1306 DR, the Year of Thunder, an invasion of dragons swept through the Moonsea region of North Faerûn. The dragon attack occurred at the same time as a human conflict in the region between Mulmaster and and alliance of other cities. Focused on their own struggles, the other powers in the region were unable to send aid to Phlan.

Aftermath
Phlan was completely destroyed during the attack, forcing the survivors to rebuild anew.