The first episode of the anime series Code Geass: Lelouch of the Rebellion was aired in Japan, marking the debut of the series.
The first season of Code Geass completed its run on Japanese television, concluding the initial story arc.
The second season of Code Geass, titled R2, premiered in Japan, continuing the story of Lelouch and the Geass saga.
The final episode of the second season aired, concluding the narrative of Code Geass: Lelouch of the Rebellion.
After Japan is conquered by the Holy Britannian Empire, it is renamed the 'Area 11' and governed as a colony.
Lelouch Lamperouge meets the mysterious girl C.C. who grants him the power of Geass.
Lelouch adopts the masked identity 'Zero' to lead a rebellion against Britannian rule.
Zero establishes the Black Knights, a resistance group fighting for Japanese liberation.
The Black Knights launch a major attack on Britannian forces at Narita Airport.
Under the influence of his Geass, Lelouch accidentally orders Euphemia to massacre the Japanese, escalating the conflict.
The Black Knights intensify their uprising against Britannian rule following the Euphemia incident.
Suzaku Kururugi discovers that Lelouch is Zero, complicating their friendship and loyalties.
Lelouch uses his strategic prowess to ascend as a key political figure within Britannia.
Lelouch and Suzaku face off in a decisive conflict determining Japan's future.
