This timeline is based off of Sywer's who posted it on Wizard101 Central. Credit is where credit is due.
The first world is created by the "Creator"
Shadow magic is simultaneously born into existence keeping the Spiral together
The Creator separates the land, the sea, the sky, and hangs the stars into the sky
The Creator then makes Grandmother Raven, the sister/mother of Bartleby
The three elder races are born: The dragons, the ice giants, and the tritons
The tritons create Storm magic
The three elder races begin a war against each other
Giants build ice fortresses with Ice magic, defending themselves from the titans
Dragons create fire magic, defending themselves against the titans
1000 years have past since the Creation (estimate)
The Aztecosarus are born
The first world is destroyed by what is to be believed by a giant "bone" by Marleybonian's
Bartleby and Grandmother Raven spin the New World or Spiral into existence
Celestians settle in Celestia
Celestians hold chariot races as a symbol of pride
Spiders are born and are considered the root of all evil. They fight against the Creator and are banished to Khyrsalis after two millennia
2000 years have past since the Creation
Dragons settle in Dragonspyre & Mooshu though are seen in Avalon, Ambrose's homeworld
Titans die out or fall into a deep slumber (except a few dragons)
Manders are born
Emperor Mooshu unites the clans into the Empire of Mooshu.
Monsters can now only be remembered by "Myth".
A floating piece of lands floats into Krokotopia, where the Kroks enslave the Manders
King Mene & the Queen of Dragons, Gavarena form the Kingdom of Dragonspyre
Knowledge was reserved for Dragonspyrean royalty until King Rydall the Conqueror unleashes a magical plague where Duke Sebastian then founds the Dragonspyre Academy
The Krokonomicon is formed, created Life & Death Magic
Kroks invent Balance Magic
Ambrose is born in Avalon ~ 2420 YC (Years Since The Creation)
Ambrose helps Artorious to become King
The Order of the Silver Rose is formed
King Artorious marries Gwendolyn
Ambrose founds Ravenwood
The Kingdom of Dragonspyre spreads across the spiral where the Dragon titans have been reawakened by the Lords of Dragonspyre
2500 years have past since the Creation (estimate)
The Emperor of Mooshu is caught & overthrown by the Khitan and Manju clans. The rule of the clans was oppressive & harsh.
The Moodha is born & provides spiritual awakening and comfort to those in Mooshu
King Jungen dies without an heir, sparking the Century War in Dragonspyre
The Emperor is freed by the Samoorai
Mooshu spreads it magic to the commoners
Mooshu discovers the Spiral & begins trade with other worlds
Klygor the Magnificent claims the throne to Dragonspyre, ending the Century War
Marleybonian tribes constantly fight until Beormutt unites them all. Following this, dogs choose to strive for peace.
A Marleybonian criticizes the Government which then compelled Queen Ellen to free her. Following this, she formed Parliament & is known for the Golden Age of Marleybone.