- An African boy escapes from a mass murder in Sauville; this boy would eventually become the infamous alchemist Leviathan.
- Leviathan becomes one of King Rupert de Gilet's advisers.
Between 1904 and 1910
- Cordelia becomes a dancer and joins Ginger Pie in several performances in the Rose-Colored Life.
- Before July - Roxane predicts a war that would endanger Sauville and later orders the organization of the "Running of the Hares" event with several country leaders.
- Spring 1914 - Coco Rose is found dead inside her chamber in the Sauville Royal Palace.
- July 1914 - The First World War erupts.
- After July
- Brian Roscoe visits the Village of the Gray Wolves to fund the installation of electricity in the area.
- Brian Roscoe cooperates with the Science Academy to construct a contraption that can project images using light.
- Lithuania's Beelzebub's Skull is attacked by a squadron of German bomber planes. The squadron was destroyed after sightings of a gigantic image of the Blessed Virgin Mary nearby.
- Maxim visits Saint Marguerite Academy. He was never seen since.
- Millie Marl dies after struggling with a terminal illness.
- Winter: Marquis Albert de Blois brings Victorique de Blois to Saint Marguerite Academy. Victorique is given personally to Cecile Lafitte to act as her guardian.
- Reports of disappearances of women and children are received by the Sauville Police Department in Saubrème.
- Kazuya Kujo comes to class in Saint Marguerite Academy for the first time.
- A replica of the luxury liner Queen Berry sinks in the Mediterrenean
- Summer Solstice - The drawbridge that connects the Village of the Gray Wolves to Horovitz is destroyed.
- Saint Marguerite Academy goes on summer vacation.
- A hidden storage room filled with gold ingots are discovered in Saint Marguerite's clock tower; the owner of the said storage room is confirmed to be Leviathan.
- Engineers order the demolition of the clock tower located in Saint Marguerite Academy due to structural issues.
- Victorique is taken to Lithuania under the orders of Marquis Albert de Blois.
- The Phantasmagoria Festival begins in the Beelzebub's Skull. The festival ended in the catastrophic flooding of the venue due to the sabotage of the floodgate that protect the area.
- The theatrical play "The Blue Rose of Saubrème" debuts in the Phantom Theater in Saubrème.
- Soldiers are deployed in selected areas in Saubrème.
- December 26
- The royal decree that orders non-Sauvillean citizens to be repatriated is implemented. Several students from Saint Marguerite Academy are among those affected.
- A political rally that involves the "Monstre Charmant" erupts in Saubrème. Several demonstrators are arrested.
- Kazuya Kujo and numerous other Japanese adolescents are conscripted into the Imperial Army.
- Marquis Albert de Blois is appointed as Sauville's first-ever prime minister.
- An assassination attempt targeted to Albert de Blois occurred in the appointment ceremony; the Marquis is murdered, but minions from the Ministry of the Occult manage to kill the perpetrators.