Cosium Timeline

Year 0 - the founding of Cosium

185 - Grandmother Lake allies herself with the Coizard royal family

398 - Mortesen and Rakar are born (different mothers)

399 - Athena and Justus are born (twins)

404 - Justus is assassinated, Athena begins pretending to be him

405 - Benonic is born and found by the circus

410 - Mortesen’s mother dies (fever)

413 - the Marcurian nobles discover Justus is dead and an army attacks the castle
   - the royal family flees from Marcuria to Cosium

414 - Athena's parents are killed by a Marcurian assassin
   - she decides to protect Coizard citizens by pretending to be Karok

The Legend of Karok
   - she meets Mortesen and they begin to like one another
   - the king and queen are killed by a Coizard noble
   - Mortesen and Athena marry

Immortal Insanity or Innocence
416 - Athena becomes pregnant
   - Benonic slaughters his captors in the circus
   - Benonic saves her life and she decides to adopt him
   - Athena is poisoned into a comatose state

417 - Sapphire is born
   - Kaze is born via C-section
   - Benonic absorbs the poison into himself, saving Athena
   - Mortesen officially makes him a member of the family

418 - Darren is born (1 year and 8 months younger than Kaze)
   - Mortesen forms a joint alliance with six other countries:
          Ice Empire, Faldara, Emeralias, Ayortha, Cliffhorn, Crescent

420 - Benonic becomes Protector-Assassin of the royal family
   - Rakar becomes involved with a cult (The Perdition) [more information on this here: Rakar's Dark Secrets]

Brotherly Love and Hate (oneshot)
Don't Play with Fire (oneshot)
422 - Benonic saves Kaze and Darren from a fire

Tale of Origin (chapter 1 & 2)
423 - Kaze and Sapphire meet and are betrothed
   - Eliza the Gypsy begs Athena to help her bedridden mother
   - to pay off her debt she works at the castle

The Wrath of Magic War
424 - the countries Rofaki and Gardford attack Cosium

Tale of Origin (chapter 3)
   - Mortesen dies, Sapphire’s mother dies
   - Atlantis and Cosium break off their alliance
   - Rakar becomes regent

Secret of the Wings (chapter 1 2 & 3)
428 - Kaze loses his wings

Creepy Beautiful Love
429 - Benonic meets Carrie and they form a relationship

430 - Rakar blackmails Benonic into leaving Cosium Castle
   - he and Carrie stay out of sight, investigating Rakar's activities to find proof of wrongdoing

Tale of Origin (chapter 4+)
433 - Kaze and Sapphire reforge their relationship
   - Rakar fakes his death
   - Kaze and Sapphire marry

434
Fight for Brother(oneshot)
   - Darren and Eliza find Trails abandoned in the woods
   - Rakar forces Darren into a magical contract
   - Darren marries Eliza and they adopt Trails

438 - Shadow and Sonic are born (twins)

439 - Eliza disappears and Darren leaves to search for her

Secret of the Wings (chapter 4 & 5)
441 - Darren returns home empty-handed
   - Silver is born
   - Glacia becomes a "sister" to Sonic, Shadow and Silver

Mini comic - Never Feel Lost

Teen's Play
442 - Sonic, Shadow and Silver are switched with the present SSS

??? - Darren is taken by Rakar to fulfill the contract

Twisted Fates
446 - time warps to bring Sarah/Slay to Rofaki as a baby

452 - Benonic saves Isaac