code geass - For how long has Lelouch been the Emperor of Britannia before and after turning evil? - Anime & Manga Stack Exchange

Lelouch, once Charles had been defeated, use his Geass to take the Britannian crown and throne from others contenders. Then, he reforms their "constitution" and changes a lot of things in the empire.

Lelouch vi Britannia (Code Geass: Lelouch of the Rebellion: 10 Year Anniversary), Code Geass Fanon Wiki

Why did Lelouch (Code Geass) decide to be a villain? Did his friends know about his plan after he died? - Quora

What happened to Suzaku and Lelouch after they stopped the Ragnarok Connection and before Lelouch became emperor? - Quora

What happened to Suzaku and Lelouch after they stopped the Ragnarok Connection and before Lelouch became emperor? - Quora

ショッキング! — [Trans] Code Geass: Lelouch of the Rebellion Re;

How is it possible to predict others as Lelouch did? - Quora

Code Geass / Tear Jerker - TV Tropes

How can Lelouch use his geass on so many people? - Anime & Manga Stack Exchange

20 of the Best Anime Villains

Is Lelouch still alive? - Quora

Lelouch vi Britannia (Character) - Comic Vine