The first episode of Umineko: When They Cry, a visual novel developed by 07th Expansion, is released, beginning the franchise's story.
The second episode of the visual novel series is released, continuing the mystery and storyline.
The third episode of the Umineko series is released, expanding the plot further.
The fourth episode of the Umineko visual novel series is released.
The fifth episode of the visual novel series is released, progressing the story towards conclusion.
The sixth and final episode of Umineko: When They Cry's main series is released.
The 'Chiru' episodes, which provide answers and continue the narrative, begin release.
Announcement that Umineko: When They Cry will be adapted into an anime series.
The anime adaptation of Umineko: When They Cry begins broadcasting in Japan.
A fighting game based on Umineko: When They Cry is released, expanding the franchise into other game genres.
Umineko: When They Cry is ported to the PSP handheld console, making it more accessible to players.
The Ushiromiya family establishes their wealthy lineage and starts the legacy on the island of Rokkenjima.
Krauss Ushiromiya, the eldest son, is born, who later becomes the head of the family.
Eva, the eldest daughter of the Ushiromiya family, is born.
The start of the notorious family conference and massacre on Rokkenjima island, where mysterious deaths and murders occur.
Several family members gather on the island for the conference, and Murders begin after the reading of Kinzo's will.
Survivors and victims of the incident are revealed; the mystery remains unsolved and debated.
The golden witch Beatrice's identity and legend become central to the family’s dark secrets and the events of the murders.
Battler Ushiromiya challenges Beatrice to prove the murders were caused by human actions, engaging in mystery battles.
