Unification Day
From MediaWiki
Unification Day is a historical day from the Dark of the Moon portion of the Live-action continuity family.
The Unification Day was an event that took place to celebrate the unification of Cybertron's warring tribes following Sentinel Prime's mission to transport a star into their orbit to replenish the AllSpark's power. This marked the beginning of a new era of peace and prosperity.
Fiction
IDW movie comics
After the temple that held the AllSpark in Simfur was built, a huge crowd turned up in Cybertron's new capitol of Trypticon to hear Sentinel Prime's speech, during which he announced that the planet would now be governed by two ruling bodies: Optimus's Science Division and Megatron's Defense Force. Foundation #2
