590 A.D. to 600 A.D.
From Chrono Compendium
Lavos Timeline
-Zenan Bridge is destroyed.
Keystone T-1
-Zenan Bridge is destroyed.
Keystone T-2
-Zenan Bridge is destroyed.
From: Chronology
-Zenan Bridge is destroyed.
-Zenan Bridge is destroyed.
-Zenan Bridge is destroyed.
From: Chronology