This millennium ran from the foundation of Equestria in the month of Crafting 0 AE to 30 Corn 1001 AE (It thus for 1000 years and a fraction, and thus despite the presence of a zero year in the pony reckoning, the millenia all still break on years ending with -001.)
1st Century AE
- Crafting 0: Founding of Equestria, definitionally the first event in the AE Era.
3: Death of River Runes, first Loremaster of the Arcane Helix
37: Princess Platinum becomes Queen of All the Unicorns, thereby uniting the Unicorn Kingdom and Equestria.
2nd Century AE
169: Duke Shiny Bauble becomes a duke.
177: An early chronological stele of Stargazer is re-erected.
200: Silver Swirl becomes Queen of Equestria.
3rd Century AE
227: Birth of princess Celestia
244: Galaxy becomes king of Equestria.
250: Last Boars on the Isle of Yore gone.
251: Princess Luna born.
4th Century AE
320: Coming of Discord. King Galaxy killed in battle.
5th Century AE
424: Elements of Harmony discovered by Celestia and Luna.
- 425: Discord Stoned.
430: Ascension of Luna and Celestia as sovereign princesses, beginning of the Royal Age.
6th Century AE
502: Archmagical Sconce of the Isle of Yore founded.
7th Century AE
- Nothing noted yet
8th Century AE
704: Arcane Helix banished from Equestria to the Dread Dimensions.
715: Origins of Bat Ponies.
734: King Sombra ascends the Crystal Throne.
784: Something happened.
- 800: King Sombra defeated by Celestia and Luna.
9th Century AE
805: Rebellion of Nightmare Moon.
808: Princess Luna banished to the Moon.
10th Century AE
980: Calendrical Stele of Stargazer I re-erected in Canterlot on the occasion of the 550th regnal year of Celestia.