Timeline

2050: Humans first arrive on Mars.
2100: Humans are living in space.
2156: Humans arrive in Alpha Centauri (4.37 light years away Earth).
2159: The United Colonies are established.
2160: New Atlantis is founded.
2161: New Atlantis becomes the official capital city of the United Colonies.
2167: Cheyenne is settled by Solomon Coe, who found it's first settlement Akila City.
2188: Coe invites Volii to join Cheyenne in a new alliance - The Freestar Collective.
2189: Freestar Collective is officially formed.
2194: The United Colonies positions the star station called the Clinic in orbit around Deepala in the Narion system. The unaffiliated peoples of the system expanded their borders and demanded the UC to remove the Clinic.
2195: When UC refuses, the people of Narion vote to join the Freestar Collective, who mobilize to protect the system.
2196: In response to Freestar mobilization, the UC moves a fleet into the Narion system and Freestar responds in kind. The Narion War begins.
2216: The Narion War drags on as public sentiment sours. Finally, the Treaty of Narion is signed by the UC and Freestar Collective in 2216, ending the conflict. The term “Settled Systems” is formalized in the treaty.
2221: The Freestar Rangers are founded as an elite protective and investigative force, dedicated to serving all citizens of the Freestar Collective.
2275: Constellation is formed by Sebastian Banks. Original members include Chloe Bao, accomplished physicist; Aja Mamasa, the youngest member and Sebastian’s protégé; Darius Andris, botanist and specialist in xenoflora; Bernadette Laurent, wealthy heiress and adventurer; Everado Gil, former smuggler; and Kadri Toma, biologist and physician. The Lodge is built in New Atlantis to serve the needs and people of Constellation for generations to come.
2305: Barrett joins Constellation.
2307: The Freestar Collective begins farming on the planet of Vesta in the Lunara system. By 2308 the United Colonies claimed that by establishing a colony in a fourth star system, the Freestar Collective had violated the Treaty of Narion. Diplomatic talks break down, and the UC lays siege to Vesta, killing anyone who stayed behind (or was brought in) to defend it. The Colony War officially begins.
2130: Constellation comes into possession of their first Artifact and tucks it away in the Constellation archives.
2315: The UC Vanguard is founded as a response to the Freestar Collective's tactics. Vanguard is the UC's civilian navy that protects the United Colonies. The reward for service is citizenship in the United Colonies.
2311: After several years of conflict, the Colony War effectively comes to an end with the Battle of Cheyenne as a flotilla of civilian and military Freestar Collective ships takes down the major ships of the UC Navy using hit-and-run tactics.
2135: The UC Vanguard is founded as part of a UC response to the Freestar Collective's use of civilian ships during the Colony War. The Vanguard is the UC's own civilian navy, relying on civilians using their own ships, who pledged to protect the United Colonies and its interests. The ultimate reward for this service: citizenship in the United Colonies.
2319: Sarah Morgan becomes the youngest head of the UC Navigator Corps, though it’s a short-lived position as the division is shut down in 2320. Cast adrift, but still eager to put her training to good use, Morgan joins Constellation.
2321: Walter Stroud, co-owner of Stroud-Ecklund, one of the Settled Systems' premier starship manufacturers, joins Constellation and becomes its primary financial backer.
2322: Former Crimson Fleet pirate Vladimir Sall joins Constellation.
2325: Sarah Morgan becomes acting Chair of Constellation.
2325: Theologian Matteo Khatri joins Constellation.

2323: Introduction of a deep space scanner, nicknamed 'The Eye'.
2325: Barrett finds the original Artifact in the ... (text cut off)
2326: After correspondence with Sarah Morgan, graduate student and scientist Noel is invited to join Constellation.