War of the Red Diamond

The War of the Red Diamond was a war that was fought in 3E 121, with the crowning of Uriel Septim III as the King of Tamriel.

This war took place because Uriel Septim III declared that the current ruler, Kintyra II, was a bastard child, and alluded to the famous decadence of the Imperial City at the time. Once this failed to stop her coronation, he instead gathered the armies loyal to him, those of High Rock, northern Morrowind and Skyrim, and attacked the Empire, alongside his mother, Potema Septim, who later became known as the Wolf Queen of Solitude. There was a lengthy time period as he was conquering the Empire. This battle became known as the War of the Red Diamond, after Tiber Septim's famous diamond.

The participants
On Uriel III's side, there was his mother, Potema, and the forces of High Rock, nothern Morrowind, and Skyrim. On the opposing side, there was Pelagius II's surving children (Antiochus Septim being already deceased, the Empire itself, and many of the kings of Tamriel, although many of them refused to become directly involved.

It took a fair while for Uriel III to successfully conquer the majority of the empire, despite Imperial City falling within two weeks. As such, it was not until 3E 121 that he was able to declare himself the new king, having secured a large enough portion of the Empire in which to do so.

Despite his true name being Uriel Manimarco, he took the name Uriel III instead. During the Battle of Ichidag, Uriel III was captured by enemy forces, and it was decided to send him to Imperial City so he could face trial for his actions. Unfortunately for him, his convoy was attacked by a group of vigilantes on the route there, and he was killed in the process.