History of Nirn Timeline

3E 1 — Beginning of the Third Era, The Crystal Empire returns

• The Third Era is proclaimed by Emperor Tiber Septim at the end of 2E 896, after the unification of all provinces in Tamriel and Jewelius's defeat, Equestria becoming part of the Empire and the Royal Wedding.
• After two eras of slumber, the Crystal Empire reappears. King Sombra, in a weakened shadow form, attempts to regain control.
• Twilight is sent to the Crystal Empire to help save it as part of a test by Princess Celestia, and her friends accompany her.
• The armies from the three councils and the Imperial Legion sets up a garrison to defend the Crystal Empire.
• Twilight finds the Crystal Empire and sends Spike to deliver it. With the Crystal Heart in place, the Crystal Ponies use the "love and light within" them to defeat Sombra. Cadance is recognized as the "Crystal Princess". Spike becomes known as "Great and Honorable Spike the Brave and Glorious" in the Crystal Empire for his role.

3E 1 — The events occur in Ponyville and the nation

• Babs Seed visits Ponyville and becomes a member of the Cutie Mark Crusaders.
• Trixie returns to Ponyville with the Alicorn Amulet and beats Twilight in a magic duel. With the help of her friends, Twilight tricks Trixie into relinquishing the Alicorn Amulet and saves Ponyville. Trixie is arrested.
• Rainbow Dash takes Scootaloo under her wing.
• Rainbow Dash enrolls at the Wonderbolt Academy.
• Princess Celestia and Prince Shor has Discord released from his stone prison on the terms of being reformed, a feat which Fluttershy accomplishes.
• Spike returns Peewee to his parents.
• The Crystal Empire is selected as the next location for the Equestria Games.
• The Corruption Ring comes to an end.
• Abacus Sum recovers from two and a half year of trauma.
• Twilight Sparkle completes Star Swirl the Bearded's unfinished spell and creates new magic. She is crowned an Alicorn princess on the anniversary of Jewelius's defeat.

3E 2 — The Discovery of the human world occurs

• Twilight attends her first princess summit in the Crystal Empire.
• Sunset Shimmer steals Twilight's crown and escapes to the human world via the Crystal Mirror.
• Twilight and Spike follow Sunset to the human world and meet human counterparts of their pony friends.
• With the help of her human friends, Twilight defeats Sunset Shimmer and recovers her crown.
• The Dazzlings witness Sunset Shimmer's defeat.

3E 2 — The Invasion of Equestria occurs

• Punderseed vines planted by Discord long ago emerge from the Everfree Forest and begin invading Equestria, capturing Princess Celestia, Princess Luna, and Prince Shor.
• Twilight and her friends return the Elements of Harmony to the Tree of Harmony and destroy the plunderseeds.
• The Chest of Harmony appears.
• The Summer Sun Celebration is held in Canterlot.

3E 2 — The events occur throughout Equestria part 3

• Twilight and her friends start keeping a friendship journal.
• The Cutie Mark Crusaders are chosen to be Ponyville's flag-carriers at the Equestria Games.
• Rarity obtains her key to the Chest of Harmony.
• Rainbow Dash obtains her key to the Chest of Harmony.
• Pinkie Pie obtains her key to the Chest of Harmony.
• Pinkie Pie obtains her key to the Chest of Harmony.
• Fluttershy obtains her key to the Chest of Harmony.
• Maud Pie leaves on her rocktorate dissertation. During this time, she finds Starlight Glimmer in the middle of constructing a village in which everyone is made to be "equal".
• Applejack obtains her key to the Chest of Harmony.
• Rainbow Dash passes her Wonderbolts Reserves exam.
• The Equestria Games take place in the Crystal Empire.

3E 2 — The Battle of Lord Tirek occurs

• Lord Tirek escapes from Tartarus and joins forces with Discord, launching a campaign to drain all of Equestria of its magic.
• The Golden Oak Library is destroyed.
• Twilight obtains her key to the Chest of Harmony.
• Twilight and her friends unlock the Chest of Harmony and obtain Rainbow Power. With this power, they defeat Lord Tirek and imprison him in Tartarus again.
• The Castle of Friendship appears in Ponyville.

3E 3 — The battle of the bands occurs

• Six moons after Sunset Shimmer's defeat Canterlot High School holds a musical showcase.
• Adagio Dazzle, Aria Blaze, and Sonata Dusk enroll at Canterlot High and turn the musical showcase into a battle of the bands.
• Twilight Sparkle returns to the human world and helps the Rainbooms defeat the Dazzlings.

3E 3 — The Fall of Starlight's village occurs

• The Cutie Map appears in the Friendship Rainbow Kingdom castle, and Twilight, her friends, and Kagrenac II follow it to Starlight Glimmer's village.
• Starlight Glimmer uses her magic to remove Twilight and her friends' cutie marks.
• With the help of the villagers, and the Dwemer under Kagrenac II, Twilight and her friends defeat Starlight Glimmer and get their cutie marks back.
• Starlight Glimmer escapes.

3E 3 — The events occur throughout Equestria part 4

• Armstrong gets murdered in Hoofstrong. Tamriel and Equestria celebrate the end of the dark chapter.
• The Golden Oak Library's remains are fashioned into a chandelier for Twilight's castle throne room.
• Babs Seed obtains her cutie mark.
• Tank goes into hibernation for what is stated to be the first winter since Rainbow Dash adopted him.
• The Cutie Map summons Pinkie Pie and Rainbow Dash to Griffonstone.
• Cranky Doodle Donkey and Matilda are married. Tiber Septim, Agnorith Septim, Kagrenac II, and Flawless Glow blesses them with the divines.
• The Grand Equestrian Summit is held in Canterlot.
• Equestria forges new friendship ties with Yakyakistan.
• Rarity opens a boutique in Canterlot.
• Wind Rider is discharged from the Wonderbolts.
• The Cutie Map summons Applejack and Rarity to Manehattan. Apple Bloom and Big McIntosh compete in the Sisterhooves Social.
• The Cutie Mark Crusaders get their cutie marks. The armies from three bases
• Princess Cadance and Shining Armor announce that they're having a baby.
• The Cutie Map summons Twilight and Fluttershy to the Smokey Mountains.
• The Helping Hooves music festival is held in Ponyville, with Coloratura as the headlining act.

3E 3 — Starlight Glimmer returns and redeems herself

• Starlight Glimmer travels back in time to prevent filly Rainbow Dash from performing her first sonic rainboom.
• As a result of Starlight's interference with history, several alternate timelines are created.
• After several attempts, Twilight foils Starlight's efforts to change history.
• Starlight Glimmer is reformed, and Twilight takes her on as a pupil.

3E 3 — The competition occurs at Canterlot High

• The Friendship Games are held at Canterlot High School.
• Sunset Shimmer defeats human Twilight after she transforms into Midnight Sparkle.
• Human Twilight transfers from Crystal Prep Academy to Canterlot High.
• After the events of The Cutie Re-Mark, Princess Twilight meets her human counterpart.

3E 4 — The Crystal heart incident occurs

• Princess Cadance gives birth to Flurry Heart, the first naturally-born Alicorn in Equestria.
• Starlight Glimmer reunites with her old friend Sunburst.
• Flurry Heart inadvertently shatters the Crystal Heart, threatening the Crystal Empire with an eternal winter.
• The Mane Six and their friends restore the Crystal Heart with Flurry Heart's Crystalling ceremony.

3E 4 — The events occur throughout Equestria part 5

• The Cutie Mark Crusaders help Tender Taps get his cutie mark.
• Ember wins the Gauntlet of Fire and becomes Dragon Lord, succeeding her father Torch.
• Starlight Glimmer befriends Trixie.
• The Imperial Legion soldiers releases Trixie with a warning.
• Fire Streak retires from the Wonderbolts, and Rainbow Dash is promoted from reservist to full member.
• Rarity For You is opened in Manehattan, and Buried Lede writes a newspaper review about its grand opening.
• Fluttershy's younger brother Zephyr Breeze graduates from mane therapy school.
• The Cutie Map is reactivated, and it summons Pinkie Pie and Rarity to Canterlot.
• Rainbow Dash attends the Daring Do Convention in Manehattan and meets Quibble Pants.
• The Applewood Derby is held in Ponyville.
• Spike befriends a changeling named Thorax.
• Gabby the griffon becomes a member of the Cutie Mark Crusaders.
• The Cutie Map summons Applejack and Fluttershy to Las Pegasus.
• The Cutie Map summons Twilight Sparkle and Rainbow Dash to the Wonderbolt Academy.

3E 4 — The overthrow of Chrysalis occurs

• Starlight Glimmer's old village holds its annual Sunset Festival.
• The Mane Six, the rulers of Equestria, Shining Armor, and Flurry Heart are captured and replaced by changelings. Tiber Septim, Agnorith Septim, Flawless Glow, and Kagrenac II, Starlight Glimmer, Trixie, Thorax, and Discord come together to rescue them.
• Starlight, Trixie, Thorax, and Discord infiltrate the Changeling Kingdom.
• Through Starlight Glimmer's leadership, Thorax transforms into a new form of changeling, and the other changelings learn to share the love inside them.
• The changelings are reformed, Queen Chrysalis' throne is destroyed, Chrysalis escapes, and Thorax becomes the new leader of the changelings.
• Starlight Glimmer and her friends attend the Sunset Festival.

3E 4 — The incident at Camp Everfree occurs

• The students of Canterlot High School take a trip to Camp Everfree.
• Sunset Shimmer, Twilight Sparkle, and their friends develop new magical powers.
• The Mane Seven defeat Gloriosa Daisy when her overzealous desire to save the camp from closing leads to her transforming into a monster.
• The campers organize a Crystal Gala fundraiser to raise money to save the camp.

3E 4 — The events occur at Canterlot High part 1

• The Rainbooms and Shadowbolts collaborate on a dance music video to win the Canterlot Mall Chance to Prance music video contest.
• The Mane Seven are invited onto the set of the Daring Do movie and solve a prop theft mystery committed by Juniper Montage.
• Starlight Glimmer travels from Equestria to the human world and helps stop Juniper Montage when she is corrupted by a magical hand mirror.

3E 4 — The events occur throughout Equestria part 6

• Starlight Glimmer, Trixie, Thorax, and Discord are awarded Pink Hearts of Courage, and Starlight graduates from being Twilight's student.
• The Mane Six go on a friendship retreat in Manehattan.
• Maud Pie graduates from the Equestrian Institute of Rockology and moves to Ponyville.
• Fluttershy establishes the Sweet Feather Sanctuary.
• The Cutie Map summons Starlight Glimmer to Canterlot.
• Yickslurbertfest is held in Yakyakistan.
• Ember and the dragons attack Yakyakistan.
• Pinkie Pie briefly takes over Chaosville.
• Grand Pear moves back to Ponyville and reconnects with the Apple family.
• Twilight publishes the friendship journal and distributes it across Equestria.
• The Cutie Map summons Spike to Ponyville.
• Applejack, Rainbow Dash, Rarity, and the Cutie Mark Crusaders go on another camping trip.
• Thorax's brother Pharynx accepts the changeling hive's new way of sharing love.
• Pinkie Pie and Rainbow Dash convince Daring Do not to go into retirement.
• Twilight and Fluttershy travel to the Hayseed Swamp and find a cure for Zecora's Swamp Fever.
• Twilight, Fluttershy, Zecora, and Cattail discover the Magenta Bloom.
• The Cutie Mark Crusaders open a Cutie Mark Day Camp.
• Twilight and her family go on a zeppelin cruise.
• Sunburst purchases Star Swirl the Bearded's lost journal from an antique store in Ponyville.

3E 4 — The Return of the Pillars of Old Equestria occurs

• Twilight and her friends gather together the magical artifacts of the Pillars of Old Equestria.
• Twilight releases Star Swirl the Bearded, the Pillars, and the Pony of Shadows from limbo.
• The Cutie Map summons the Mane Six to the Hollow Shades.
• The Mane Six regain the Elements of Harmony.
• The Mane Six and the Pillars of Old Equestria free Stygian from the darkness, and the darkness is banished to limbo again.

3E 4 — The Storm Kings reign occurs

• Twilight oversees Equestria's first Friendship Festival in Canterlot.
• Tempest Shadow leads the Storm King's attack on Canterlot, capturing all of the rulers except Twilight, Tiber Septim, Agnorith Septim, Kagrenac II, and Flawless Glow.
• The Three Councils and Kagrenac II stay behind in Ponyville with Equestrian Rebel Army to repel the attacks.
• The Mane Six, and the Imperial Legion flee south of Equestria and make contact with the Hippogriffs—transformed into seaponies—in Seaquestria while the Imperial Legion wait on Basalt Beach.
• Twilight's friends, the newly united front, the allies of Equestria, the Empire, the Daedra and the Aedra launch a campaign to free Canterlot from the Storm King's control.
• Twilight befriends Tempest, inspiring her to protect the Mane Six from the Storm King, who turns to stone and shatters.
• The Friendship Festival resumes.

3E 5 — The events occur at Canterlot High

• The Equestria Girls take their final exams.
• Sunset Shimmer starts drawing street graffiti and comic books.
• Canterlot High School puts on a school play.
• Sunset Shimmer and her friends destroy the Memory Stone and foil Wallflower Blush's memory-erasing schemes.
• The Equestria Land theme park is opened.

3E 5 — The Storm King's Magic incident occurs

• Some of the Storm King's magic leaks into the human world.
• The Mane 7 celebrate spring break on the Luxe Deluxe cruise ship.
• The Storm King's magic manifests as a magical lightning storm.
• Sunset, Twilight, and Rainbow Dash discover a second portal to Equestria.
• Sunset, Twilight, and Rainbow use the Staff of Sacanas to absorb the Storm King's residual magic.

3E 5 — The School of Friendship opens

• Tempest Shadow leaves to help ponies around Equestria and spread the news of the Storm King's defeat.
• Twilight opens the School of Friendship.
• Twilight, Celestia, Luna, Shor and Cadance attend the Convocation of Creatures.
• The Mane Six (minus Twilight) take part in making a movie based on the friendship journal.
• The Young Six celebrate Nightmare Night for their first time in Ponyville.

3E 5 — The events occur throughout Equestria part 7

• Pinkie Pie's sister Maud starts dating Mudbriar.
• The Gold Horseshoe Gals go on their annual trip to Las Pegasus.
• The Cutie Map summons Sweetie Belle, Apple Bloom, and Scootaloo to Mount Aris.
• Princess Celestia celebrates her ones-versary of raising the sun.
• The Cutie Map summons Starlight Glimmer and Sunburst to Sire's Hollow.
• Spike goes through a molting phase and grows a pair of wings.
• Cozy Glow enrolls at the School of Friendship. Apple Bloom, Sweetie Belle, and Scootaloo receive honorary School of Friendship diplomas and are appointed as friendship tutors.
• Queen Chrysalis creates clones of the Mane Six in order to control the Elements of Harmony, but the Tree of Harmony destroys the clones.
• Starlight is appointed as temporary headmare at the School of Friendship.
• Gallus pulls a prank at the School of Friendship during Hearth's Warming Eve.
• Flim and Flam establish Friendship University with Chancellor Neighsay's approval.
• Starlight and Trixie take a road trip to Saddle Arabia.
• Scootaloo briefly joins the Washouts.
• Twilight appoints Rockhoof as Equestria's "keeper of tales".
• The Young Six's friendships are tested by the Tree of Harmony.
• The Cutie Map summons Fluttershy and Applejack to the Peaks of Peril.
• Sluge visits Ponyville and pretends to be Spike's father.

3E 5 — The failing magic incident occurs

• Cozy Glow enacts a plan to remove all magic from Equestria, making use of several artifacts entrusted to Twilight by Princess Celestia.
• The Mane Six and Spike travel to Tartarus to investigate Tirek's involvement in the disappearance of magic and learn about his alliance with Cozy Glow.
• Cozy Glow imprisons Starlight Glimmer, and later Chancellor Neighsay, to enable her takeover of the School of Friendship.
• The Mane Six and Spike escape from Tartarus, and the Tree of Harmony helps the Young Six thwart Cozy Glow's plans and restore Equestria's magic.
• Cozy Glow is apprehended by the Canterlot royal guards, the Imperial Legion, and the Three Councils armies and imprisoned in Tartarus.

3E 5 — The Heartswarming ceremony occurs

• The Mane Six do a Hearthswarming Helper for Hearth's Warming.
• Pinkie Pie meets the Gift Givers of the Grove.

3E 6 — Reign of Hlaalu Athyn Llethan begins

• The Duke of Mournhold's reign begins.

3E 6 — The 2nd Battle of Sombra occurs

• Celestia, Luna and Shor decide to retire and leave the task of ruling Equestria to Twilight and her friends.
• Grogar resurrects Jewelius and assembles a legion of villains—consisting of Queen Chrysalis, Lord Tirek, Cozy Glow, King Sombra, and Jewelius—to destroy the Mane Six.
• King Sombra defects from the alliance and takes over the Crystal Empire with his assistant Jewelius.
• After being seemingly defeated, Sombra and Jewelius destroys the Tree of Harmony and Elements of Harmony, shocking the world.
• Sombra and Jewelius takes control of everyone in Ponyville, execpt the bases around Ponyville and takes over Canterlot.
• Plants from the Everfree Forest threaten to overrun Ponyville, and Celestia, Luna, Shor and Star Swirl contain it.
• The Mane Six, Flawless Glow, and Kagrenac II defeat King Sombra with the Magic of Friendship while Jewelius flees and joins the Legion of Doom.
• Celestia, Luna and Shor decide to delay their retirement.

3E 6 — The events occur throughout Equestria part 8

• The Young Six turn the Tree of Harmony's remains into a treehouse.
• Lord Tirek, Queen Chrysalis, Cozy Glow, and Jewelius retrieve Grogar's Bewitching Bell from Mt. Everhoof, and decide to conceal it from him to use it for their own ends.
• Twilight and Shining Armor compete for the title of "Sibling Supreme".
• The Amity Ball is held at the School of Friendship.
• The Confluence takes place at Sweet Apple Acres.
• Scootaloo's aunts Holiday and Lofty move to Ponyville.
• Twilight Sparkle and her friends organize the last Summer Sun Celebration, where upon Twilight creates a new holiday to replace it: the "Festival of the Three Rulers". Meanwhile, Tirek, Chrysalis, and Cozy infiltrate Canterlot and steal a book to gain information on how to unlock the Bewitching Bell's true power.
• Starlight Glimmer officially becomes the School of Friendship's new headmare, while Sunburst is made vice principal and Trixie a student counselor.
• The Cutie Mark Crusaders temporarily turn into grown-ups with a magic flower sent by Star Swirl the Bearded.
• Big MacIntosh marries Sugar Belle. The Three Councils under Kagrenac II holds their wedding on the anniversary of Pear Butter and Bright Macintosh's wedding.

3E 6 — The Ultimate Battle for the Empire occurs

• Queen Chrysalis, Lord Tirek, Cozy Glow, and Jewelius turn the pony races against each other and empower themselves with the Bewitching Bell.
• Grogar is revealed to be Discord in disguise.
• Cozy Glow attacks Canterlot, Tirek defeats the Pillars of Old Equestria, Chrysalis defeats Starlight Glimmer and Jewelius frees the imprisoned guards in Canterlot.
• The four villians defeat and capture most of the Mane Six, Princess Celestia, Princess Luna, Prince Shor, the Pillars, and Discord. Except Flawless Glow, and Kagrenac II.
• Twilight's friends escape and regroup with her to challenge the villains.
• The windigos return to Equestria.
• The School of Friendship students reunite Equestria and assemble an army to fight the villains.
• Emperor Tiber Septim, and Agnorith Septim arrives in time with the Imperial Legion.
• The Daedra and the Aedra unite against the villains.
• The Mane Six, Young Six, and Pillars banish the windigos defeat the villains with the Magic of Friendship.
• Chrysalis, Tirek, Cozy Glow, and Jewelius are imprisoned in stone by Discord and the rulers.
• Twilight is crowned ruler of Equestria, and Celestia, Luna, and Shor retire to Silver Shoals. Twilight establishes the Council of Friendship with her friends.

3E 11 The events occur throughout Equestria part 9

• Lyra and Sweetie Drops marry.
• Derpy publishes a muffin-themed cookbook.
• Granny Smith and Grand Pear dies at an old age.
• Twilight takes ownership of the School for Gifted Unicorns.
• Pinkie Pie and Cheese Sandwich marry and have a daughter.
• Rarity opens new boutiques for non-ponies.
• Apple Bloom, Sweetie Belle, and Scootaloo become full-time teachers at the School of Friendship.
• Big Macintosh and Sugar Belle have a son.
• Gallus becomes captain of the Canterlot royal guard.
• Yona is hired as an employee at Carousel Boutique.
• Luster Dawn moves to Ponyville.