The Game of the Year Edition of Oblivion, including all DLCs such as Knights of the Nine and Shivering Isles, was released.
Oblivion was released for the Xbox 360 console, bringing the game to a wider audience.
The Third Era concludes with the death of Emperor Uriel Septim VII and the end of the Septim Dynasty.
The emperor is assassinated by the Mythic Dawn cult, precipitating a period of chaos and the Oblivion Crisis.
The Mythic Dawn assassinates all known heirs of the emperor to prevent succession and secure Oblivion gates.
The protagonist, a prisoner, witnesses the emperor’s assassination and escapes captivity to aid the Blades.
The player retrieves the Amulet of Kings from their cell, a key item to reach the Imperial City and end the crisis.
The player meets the last surviving heir of the Septim line, destined to stop the Oblivion invasion.
The player embarks on missions to shut down numerous Oblivion gates opening across Cyrodiil, halting Daedric invasions.
Martin is rescued from captivity in Kvatch and allies with the player to combat the Oblivion Crisis.
Daedra invade the Imperial City; the player fights alongside Martin Septim and the Imperial forces to defend it.
Martin Septim uses the Amulet of Kings to transform into an avatar of Akatosh and defeats Mehrunes Dagon, ending the Oblivion Crisis.
Martin dies in the final battle, and the Septim bloodline ends, ushering in a new era without an emperor.
With the Oblivion Crisis ended, the events set the stage for the upcoming Fourth Era in Tamriel’s history.
