1. Agarthans living peacefully
    1. The Nabateans empower the Agarthans with knowledge, driving advancement
      1. Agarthans wage war on Sothis (out of fear that they would be attacked)
        1. Sothis repairs the world, falling into a deep slumber, put in tomb
          1. Agarthans mostly wiped out; surviving Agarthans become "Those Who Slither in the Dark"
          2. "Those Who Slither" recruit bandit leader Nemesis
          3. Nemesis steals the Sothis's body, drinks her blood, gains Crest of Flames
          4. Her bones are used to make the Sword of the Creator
          5. Nemesis slaughters the Nabateans, creating more Relic weapons and Crests from their bodies and passing them down to the"11 Elite" Agarthans
          6. Year 1
          7. Sieros & co. slay Nemesis & co. during battle at Tailtean Plains
          8. Some of the 10 Elite allowed to survive, given positions in the Empire because of their Crests, creating a nobility class
          9. Sieros renames herself Rhea, founds Garreg Mach monastery to spread teachings of the goddess Sothis; history rewritten to position Crests and Relics as gifts from Sothis
          10. Rhea begins several attempts to resurrect the goddess Sothis into a new body
          11. The first attempt involves magic specialists the Four Apostles, which fails; the Apostles disappear into hiding in the Abyss
          12. ~ Year 700
          13. Rhea's twelth ressurection attempt creates a nun named Sitri
  2. Sothis arrives, Sothis spawns the Nabateans (aka "Children of the Goddess")
  3. Nabatean named Seiros survives; allies herself with 4 Nabatean saints
  4. Seiros gifts her crest to one of Nemesis' allies via blood, betraying him, starting the Adrestian Empire
  5. Loog and other nobles rebel from the Empire to form the Kingdom of Faerghus
  6. Nobles of Leicester region rebel from the Kingdom to form the Alliance
    1. Leicester noblewoman has child with Almyran king, named Claude
      1. Almyrans invade Leicester, repelled by the united Fódlan
  7. Officers Academy formed to defend against future invasion
    1. ~ Year 1171
      1. Sitri dies giving birth to Byleth, born without a heartbeat;
        1. Rhea replaces Byleth's heart with Sitri's (Crest of Flames), killing her to save him
          1. Year 1180
  8. Mercenary named Jeralt intercepts mortal wound aimed at Rhea, given her blood and Crest to survive
    1. Jeralt falls in love with Sitri, a monastery nun with Sothos's crest in her body
  9. Coup takes place within Adrestian empire
    1. Lord Arundel defects to the Kingdom with niece Edelgard
      1. Lord Arundel (Edelgard's uncle) is killed, replaced, and impersonated by Thales, a member of TWSITD
  10. Kingdom nobility killed by TWSITD while on diplomatic visit in northern region of Duscur, framing Duscur
    1. Young noble Dimitri survives, vows revenge on TWSITD; he suspects that Edelgard is the perpetrator
  11. Arundel and Edelgard return to the empire, where the emperor's children are experimented on by TWSITD for their crests
    1. Edelgard survives (also bears Crest of Flames), develops hates crest and related nobility system
  12. Dimitri, Edelgard, and Claude join the Officer's Academy
    1. White Clouds
      1. Sothis begins to exist in Byleth's mind as a child
        1. Dimitri, Edelgard, and Claude saved from thieves attack by Byleth and Jeralt
          1. Byleth joins the academy as a professor, picks one of the three houses
          2. Byleth finds and unlocks the Sword of the Creator
          3. Byleth, Edelgard + Lindhart, Dimitri + Ashe, and Claude + HIlda all enter Garegg Mach's underground to investigate suspicious activity
  13. Jeralt flees the monastery with Byleth, training him as a mercenary
  14. Edelgard dons the disguise of the Flame Emporer, collaborates with TWSITD
  15. Jeralt is assinated by TWSITD
  16. Byleth merges with Sothis to survive an attack from TWSITD leader Solon, then kills hiim
    1. Rhea attempts to reincarnate the goddess via Byleth in the Holy Tomb
      1. The Flame Emperor and imperial troops invades the Holy Tomb to try and stop them
        1. The Church and Byleth's students defeat an exposed Edelgard
          1. Crimson Flower
          2. Byleth sides with Edelgard; The Empire takes Garreg Mach, and Byleth is knocked into a five-year coma during the battle
          3. Rhea and the church take refuge in the Kingdom
          4. Byleth returns to Edelgard at Garreg Mach
          5. Silver Snow, Azure Moon, Verdant Wind
          6. Edelgard flees, then returns with imperial forces and takes Garreg Mach
          7. Battle against Empire at Garreg Mach
          8. Rhea is captured by the emprie
          9. Byleth disappears in the battle
          10. Byleth returns to Garreg Mach five years later, rejoins his class
          11. Battle against Thieves at Garreg Mach
          12. Battle against Empire at Garreg Mach
          13. Byleth and co. defend against imperial invasion
          14. Battle at Ailell, the Valley of Torment
          15. Battle at Great Bridge of Myrddin
          16. Battle at Gronder Field
          17. The Blue Lions and Knights of Seiros defeat the Empire and Alliance, push back Edelgard and Claude
          18. Battle at Fhirdiad
          19. The Blue Lions and Knights of Seiros reclaim Fhiardad from the Empire
          20. Battle at Derdriu
          21. The Empire defeats the Alliance, killing/exiling Claude
          22. Battle at Garreg Mach
          23. The Empire fends of an attack from Church, killing/sparing Seteth and Flayn
          24. Battle at Airanrhod
          25. Battle at Tailtean Plains
          26. The Empire defeats and kills Dimitri
          27. Battle at Fhirdiad
          28. The Alliance defeats and kills Rhea (Seiros)
          29. Edelgard unifies Fodlan under the Empire, abolishes the crest system, and embarks on a silent war against TWSITD
          30. The Blue Lions and Knights of Seiros save Claude in the Alliance capital
          31. Battle at Fort Merceus
          32. Battle at Enbarr
          33. The Blue Lions and Knights take Enbarr and sack the empire, killing Edelgard
          34. Dimitri unifies Fodlan under the Kingdom; Byleth becomes the new Archbishop of the Church of Seiros
          35. The Golden Deer / Rebellion Army and Knights take Enbarr and sack the empire, killing Edelgard and rescuing Rhea
          36. Battle at Shambhala
          37. The Golden Deer / Rebellion Army and Knights defeat Solon and TWSITD; Shambala is destroyed, injuring Rhea
          38. Battle at Caledonian Plateau
          39. The Golden Deer and Knights defeat Nemesis and the 10 Elite; Claude and Byleth all of Fodlan under a United Kingdom and open its borders
          40. Rhea is overcome by crest power, morphing into the Immaculate One and threatening Fodlan
          41. Battle at Garreg Mach
          42. Byleth and co. defeat Rhea, who returns to Nabatean form; Byleth ascends to the head of the Church of Seiros and reunite all of Fodlan under the Church's rule
          43. The Golden Deer and Knights of Seiros defeat the Empire and Kingdom; Dimitri is killed
  17. Cindered Shadows
    1. The Officers' academy crew meets the Ashen Wolves house in the Abyss
      1. The Academy crew + Ashen Wolves locate and escape with the Chalice of Beginnings, supposedly involved in the original ressurection ritual
        1. Aelfric, the leader of the Ashen Wolves, fakes his own kidnapping to trap the four Wolves, using their blood to start the ritual with the Chalice and resurrect Sitri, Byleth's mother
          1. The Ashen Wolves help defeat Aelfric, before being disbanded by Rhea, all going their separate ways
  18. Byleth attends Edelgard's coronation
    1. Edelgard is coronated and assumes the throne of the Empire