The people of Jaumun and Vonrden were originally from another solar system. They escaped their dying world as the second wave of explorers. They were to send word back once they landed on a hospitable world. Unfortunately it took them a very long time to do so, and by the time they sent word back there was no one there to receive it, the cataclysm had happened. They don't know what happened to the first first mission and know nothing of subsequent missions or if the majority of life had been safely removed or not.
Assuming they were all that was left of their home world and it's many diverse speices they set out to survive the best they knew how.Once they were left to their own the Vie split into two groups and segregated themselves to the two planets they had found. The 'Vivies' to Jaumun and the 'Ovies' to Vonrden.
For a long time they left each other alone, developing their own cultures and technologies. Though they did meet once every three years to trade and recount their history so as never to forget.
After a few generations, though, the two planets came to a disagreement over resources and declared war on each other. This triggered an doomsday event and records of their joined history were actively destroyed.
With most of the populations of both planets decimated, technology halted, and medical knowledge outright banned, the war went from hot to cold, were the two planets built up resources and glared at each other from across space.
This cold war they called the Dark War lasted for generations on generations to the point were a time when they got along was forgotten completely, as well as the knowledge of where they came from or why medicine was banned.
The war would have likely gone on longer if it wasn't for a greater threat, the Qiga'tck'chi, or as the people of Jaumun and Vonrden call them, the bugs.
The ensuing Bug War brought the two planets together to fight off the common foe.
The war with the bugs was nothing like the Vie had experienced before.
The Bugs held no regard for the rules of engagement that they were used to, as their goal was to overtake the two planets for themselves and use the Vie people as livestock.
The JauVen Alliance Military fought valiantly and managed to not only drive back the threat, but destroy it's source, the bug home world Juso-Qiga. Though they did not manage it completely on their own.
They had some help from Qugian insiders who thought what they were doing was wrong, a a few Ershan experimental refuges. The Quagian allies were understandably upset about the destruction of their world, but couldn't do much about it.
The remaining bugs were relocated to the more baron areas of the two planets though most preferred to stay in orbit in space stations or exploring space in their ships than be exiled to deserts to live out their lives as a despised minority.
This video embodies the chaotic hype that is the bug war.
It's been several years since the Bug war and the planetary alliance holds as a cultural revolution and renaissance blossoms. Though the planets are still mostly segregated still, major cities have seen an influx of interplanetary immigration. The satellite colonies have seen the most cultural tolerance and communal living.
Though not everyone likes the idea of 'mixing it up'. Some groups, such as the Vonrden Imperialists, are strongly and openly against interplanetary immigration. Some believe that the planets should stay segregated, while others feel the whole alliance should be dissolved.