This article is a stub. You can help Pern Wiki by expanding it. The Seventh Pass on Pern took place from 1758AL to 1808AL. It was later determined by AIVAS that this pass lasted forty-eight years. Retrieved from "https://pern.fandom.com/wiki/Seventh_Pass?oldid=22696" Categories: Article stubs Pern History Community content is available under CC-BY-SA unless otherwise noted.