The First Outbreak of War is an event from Thunder Force VI. It's exact date is unknown.
This event occured when an Extra-Terrestrial Intelligence was making its way throughout our Solar System, attacking and destroying everything on its way.
- This event is mentioned during the opening sequence of the game.
- It is also possible this event could be a reference the events of Hyper Duel, because some of the enemies from Thunder Force IV appear in the game, which could imply that the ORN Empire was already on Earth where they were defeated by the Buster Gears.