City Age

The City Age began after the Dark Age when the Last City was founded. Survivors of the Collapse begin to appear, traveling to the sanctuary over which the dormant Traveler protects, and the City started to grow.

Faction Wars
Power struggles between various political factions for the support of the City's refugee masses escalate into a series of violent conflicts that later came to be called the Faction Wars. Rezyl Azzir, a great leader and champion during those days helped unite The Risen into a cohesive fighting force, and formed the Guardians, gaining him further fame. Together they end the bloodshed before the City is torn apart by civil war and focus on the new encroaching threat: the Fallen Houses. The Consensus, a representative body through which the factions could pursue their agendas peacefully, is subsequently formed to jointly govern the City with the Speaker at the head.

Shortly after the civil war the New Monarchy, a staunchly pro-City faction, forms to protect the City from all threats both without and within. Also during this time the first Titans construct and defend the City's walls.

Early City Age
The Battle of the Six Fronts became first major attack weathered by the City soon after the Faction Wars. Four orders of Titans defended six different approaches against an overwhelming enemy force, led by the Iron Lords. None of the orders faltered, and what could have been a disastrous defeat became instead a decisive victory. The legendary Titan and Exo Saint-14 rallied an army of Guardians to attack the Fallen surrounding the Last City following Six Fronts. His campaign is successful and Fallen attacks on the City temporarily abate. During the campaign, he personally fights and kills Solkis, Devil Kell.

The Vanguard deems the Ahamkara to be too dangerous and orders their extermination in the Great Ahamkara Hunt The Warlocks preserve some Ahamkara bones and fossils for study. .

Toland, the Shattered studies the Darkness and eventually goes mad, leaving the City in Exile.

The Awoken Queen’s brother is born in the Reef.

Pujari leaps from the Shores of Time and has a vision of the Black Garden, where he communes with the image of a Ghost claiming that the Traveler is another form of Darkness. Awestruck Ghosts returning from the Vault of Glass report encounters with ancient Vex, their casings built long before the age of humanity, and survivors of the Vault report sightings of ancient Vex—ancient in the sense that they have endured for eons. Convergent analysis from multiple Ghosts suggests that these Vex exist in our future. The Guardian Vanguard points out that time travel remains a mystery, and the continued existence of the Vex is not remotely a sure indication of humanity’s extinction.

Fragmentary glimpses and scattered reports suggest a Hydra of impossible capabilities dwells within the Vault of Glass, and legends say that the Oracles in the Vault of Glass foresee what is to come, a world as the Vex desire it—and that the Templar has the power to shape reality to match the Oracles’ design, expunging any threats.

Kabr, the Legionless, eventually pierces the Vex’s Vault of Glass on Venus with a group of Guardians, including Pahanin and Praedyth. He fashioned many weapons and armor pieces from consumed Vex technology and remnants after they became unable to defeat the Vex. He “drank of the Oracles” and placed within the Vault, before his death, the Aegis, a device created from his own Light and “the thinking flesh of the Vex”. Doing so required the Vex to take his Ghost, and infect his blood and brain. The Aegis has the ability to change Guardians' fates, and due to the time-bending nature of the Vault of Glass, exists in both past, present, and future.