Timeline

1809
 * Publication of Philosophie Zoologique.

1829
 * Death of Jean-Baptiste Lamarck.

1832
 * Joel Goldschmidt I creates the zoo near Bordeaux, France.
 * He finds a mummy in Iceland.

1833 1859
 * 8 April
 * The mummy called SAYA is brought to the zoo.
 * The life form is identified as Chiropteran.
 * Joel and Amshel dissect the pregnant mummy.
 * They find two cocoons inside the mummy but could not open them.
 * They noticed that the cocoons absorb blood.
 * 4 August
 * Two baby girls are born from the cocoons.
 * One girl is kept unnamed for experiment while the other one is raised by Joel and named Saya.
 * Publication of Darwin's Origin of Species.

1863
 * Saya is raised with much care.
 * The unnamed girl is prisoned under care of Amshel and left to be experimented on.
 * Joel notices that time has stopped for Saya as she has stopped growing after reaching 16 years.
 * Saya becomes aware of the existance of the unnamed girl locked up in the tower and names her Diva.
 * 2 June
 * Saya scrapes her hand but it heals before Joel could wipe the blood.
 * Joel discovers that Saya's blood has healing abilities.
 * Joel mixes the blood samples of Saya and her unnamed twin; the resultant crystalizes.
 * Joel decides to experiment on the chiropteran reproduction and sends Amshel to find a groom for Saya.
 * Amshel buys the 12 year-old Hagi from his parents and he is introduced to Saya.

1883
 * The "blank page" in Joel's Diary
 * Joel's Birthday
 * Saya releases Diva from the tower to sing at the birthday party.
 * Hagi falls off the cliff and Saya turns him into a chevalier with blood transfusion.
 * Diva turns the party to a slaughter, killing Joel I.
 * The next generation Joel founds the Red Shield to bring an end to Diva.

End of 19th Century
 * Saya is journeys on with her sword and Hagi
 * She makes Hagi promise to kill her after all chiropterans are eliminated and Diva is killed.
 * Saya enters 30 year hibernating period.

Around 1914
 * Both Saya and Diva awaken.
 * World War I
 * Physician Solomon Goldsmith is introduced to Diva and becomes her fourth chevalier.

1917
 * Russian Revolution
 * Saya and Hagi pursue Diva and her chevalier Grigory to Russia

1918
 * Saya kills Diva's second chevalier Grigory.
 * Saya enters her second cycle of hibernation.
 * End of World War I

1939
 * Start of World War II
 * Amshel and Solomon brings Karl who becomes Diva's fifth chevalier.

1945
 * James becomes Diva's last chevalier in Berlin.
 * Acting on Amshel's orders, Solomon kills Diva's third chevalier, Martin.
 * End of World War II

1959
 * Start of Vietnam War

1972
 * Chiropteran sightings in Vietnam confirmed.
 * Pre-christmas bombings
 * Red Shield injects Hagi's blood in hibernating Saya to cause artificial awakening.
 * Saya goes berserk killing chiropterans and humans alike.
 * Saya cuts off arms of both Hagi and Karl.
 * Saya falls into her third hibernation.
 * Dying David (senior) entrusts Saya to George Miyagusuku.
 * Hagi cuts off communication from Red Shield.
 * Rumors of Hagi being spotted in Hong Kong.

1975
 * End of the Vietnam War.

1966
 * George's family are killed in an accident.
 * George adopts Kai and Riku.

2002
 * Joel VI becomes Head of the Red Shield after his predecessor dies.

2004
 * Saya awakens in Okinawa without her previous memories.
 * She lives in Miyagusuku family.
 * She is under surveillance of David under conditions that once she recalls her past, she will go with Red Shield.

2005
 * Saya reunites with Hagi
 * George is attacked by a chiropteran and turns into one; Saya ends up having to kill him.
 * Saya, Hagi, Kai and Riku ally with the Red Shield
 * Diva awakens

2006
 * Collins and Julia betray Red Shield to join Cinq Fleches.
 * Diva and Karl launch an attack on the Red Shield HQ.
 * Diva forces Riku to impregnate her before killing him with her blood.
 * Karl's projectile impales Joel VI in the spine confining him to wheelchair thereafter.
 * Red Shield HQ ship is forced to self-destruct in an attempt to take down Diva.
 * Saya stays with Hagi on the ship to keep on fighting Diva while the command ship gets destroyed.

2007
 * Chiropteran sightings in London.
 * Kai and Lewis has been busy fighting chiropterans.
 * Saya returns.
 * Karl is killed by Saya.
 * Amshel cuts Diva's belly to bring out two cocoons.
 * Saya chases Diva from an Air Force Base in North Carolina to New York.
 * Solomon betrays Diva and proposes to Saya; he is later killed while protecting Saya.
 * James is killed.
 * Diva's live performance at the Metropolitan Opera.
 * The final duel of two queens ends with Diva dying at last.
 * Two baby girls are born from the cocoons.
 * Hagi impales Amshel while the opera is bombed; Amshel suspected dead, whereabouts of Hagi unknown.
 * Saya returns to Okinawa with others.
 * She falls into her fourth hibernation.
 * Kai carries her to the family crypt where she emerged from a cocoon 3 years ago.

20??
 * Kai takes his adopted children (Diva and Riku's daughters) to Saya's hibernating place.
 * They find a rose from Hagi there.