3000000 B.C.
From Chrono Compendium
Lavos Timeline
-Humans presumably come into contact with the Frozen Flame, sparking evolution and most likely the ability of humans to employ magic.
Keystone T-1
-Humans presumably come into contact with the Frozen Flame, sparking evolution and most likely the ability of humans to employ magic.
Keystone T-2
-Humans presumably come into contact with the Frozen Flame, sparking evolution and most likely the ability of humans to employ magic.
From: Chronology