The manga magazine Weekly Shōnen Jump, which later serialized Assassination Classroom, was launched in Japan.
Assassination Classroom manga by Yūsei Matsui began serialization in Weekly Shōnen Jump.
The Assassination Classroom manga series concluded.
The television anime adaptation of Assassination Classroom started airing in Japan.
The final episode of the Assassination Classroom anime aired.
The live-action film adaptation of Assassination Classroom was released in Japan.
An alien creature, Koro-sensei, destroys part of the moon and threatens to destroy Earth within one year unless stopped.
Class 3-E at Kunugigaoka Junior High School is established for students who are considered academic underachievers; Koro-sensei becomes their homeroom teacher.
Students in Class 3-E start training and attempting to assassinate Koro-sensei while simultaneously receiving regular academic education.
Under Koro-sensei's teaching, Class 3-E students show significant improvement academically and physically.
The government and various agencies provide assassination challenges and tools to encourage students to kill Koro-sensei.
Class 3-E participates in the school festival, showcasing their talents and bonding as a class under Koro-sensei’s guidance.
A professional assassin known as 'Shark' targets Koro-sensei; the students and Koro-sensei confront the dangers together.
After a year of training and attempts, Class 3-E finally succeeds in assassinating Koro-sensei before he can destroy Earth.
The Class 3-E students graduate, carrying the lessons learned from Koro-sensei into their future lives.
