A vessel filled with Kothringi tribesmen fleeing from the Knahaten Flu leaves Black Marsh on 9 First Seed. After spending over a year being turned away from port after port, it sets sail to the west and is never seen again."
http://www.uesp.net/wiki/Lore:Second_Era#cite_note-DFC-2
http://www.uesp.net/wiki/Lore:Kothringi