The Baccano! light novel series, written by Ryohgo Narita and illustrated by Katsumi Enami, begins its publication in Japan.
The anime adaptation of Baccano! premieres in Japan, introducing the series to a wider audience.
Yen Press begins translating and publishing the Baccano! light novels in English, expanding accessibility to Western audiences.
The English dubbed version of the Baccano! anime is released, further increasing its international popularity.
Gangsters take over Alcatraz Island prison in an attempt to seize immortality. The legendary immortals are introduced, and many lives are lost in the violent conflict.
The Elixir of Immortality is created by an alchemist, setting the foundation for the events involving immortality and the chaos that unfolds later.
Various gangsters and criminals board the luxury train Flying Pussyfoot, leading to a deadly confrontation influenced by the Elixir-ed immortals.
Firo Prochainezo, one of the immortals, becomes involved in multiple conflicts that reveal the considerable power struggles among immortals.
The Elmer Family, significant figures tied to the immortality secret, vanish mysteriously, further deepening the mystery around the Elixir.
