Code Geass: Lelouch of the Rebellion: Season 1, Episode 23

1 - 23: Stage 23 - At Least with Sorrow

Lelouch takes advantage of the ceremony's tragedy to finally declare the independence of Japan. With the change to his Geass, he'll have to make more sacrifices or else it could lead to more misfortune. For the revenge he seeks, it may be what he needs.