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A Song of Ice and Fire / Westeros: Foundational Epochs & Key Milestones

Alternate Universes/5. High Fantasy & Dark Fantasy  •  Curated by Admin Timeline.sg

A historical timeline of the fictional world of Westeros, covering foundational epochs, key wars, dynastic changes, and major events from the Dawn Age to the War of the Five Kings.

Chronological Storyline (46 Milestones)

12000 BCE

First Men cross the Arm of Dorne

The First Men, led by Brandon the Builder and others, migrate from Essos to Westeros across the land bridge known as the Arm of Dorne, initiating conflict with the Children of the Forest. #asoiaf #history

10000 BCE

The Pact between Children and First Men

After centuries of war, the Children of the Forest and the First Men agree to the Pact, granting the First Men the open lands while the Children keep the forests. #asoiaf #pact

8000 BCE

Founding of Storm's End by Durran Godsgrief

Legend holds that Durran, the first Storm King, built Storm's End after winning the love of the sea god's daughter. The fortress becomes a symbol of House Baratheon. #asoiaf #stormsend

8000 BCE

The Wall is built and the Night's Watch founded

Following the Long Night, Brandon the Builder raises the Wall of ice and magic to defend against the Others. The Night's Watch is established to guard the realm. #asoiaf #wall )

8000 BCE

The Long Night and the Last Hero

The Others invade from the far north, plunging Westeros into a generation-long winter. The Last Hero defeats them with the help of the Children of the Forest. #asoiaf #longnight )

6000 BCE

The Andal Invasion

The Andals, armed with iron weapons and worshipping the Seven, invade Westeros from the Vale, conquering most of the south and imposing their culture and religion. #asoiaf #andals

5000 BCE

Founding of Braavos

Escaped Valyrian slaves establish Braavos, hidden in a lagoon. It grows into a powerful maritime city, becoming the youngest of the Free Cities. #asoiaf #braavos

5000 BCE

Rise of the Valyrian Freehold

The Valyrians discover dragons in the Fourteen Flames and use them to build a vast empire, dominating Essos for millennia. #asoiaf #valyria

5000 BCE

The Ghiscari Wars

Valyria wages war against the ancient Ghiscari Empire, ultimately destroying it with dragonfire and founding the colonies that become Slaver's Bay. #asoiaf #ghiscar

1000 BCE

Nymeria's landing in Dorne

Princess Nymeria leads ten thousand Rhoynar refugees to Dorne, unifying the region through marriage to Mors Martell and establishing the House Martell as rulers. #asoiaf #dorne

102 BCE

The Doom of Valyria

A catastrophic volcanic eruption destroys the Valyrian Freehold, shattering the peninsula and killing most dragonlords. The resulting chaos reshapes Essos and allows the Targaryens to survive. #asoiaf #doom

2 BCE

Aegon's Landing at Blackwater Rush

Aegon Targaryen, with his sister-wives and dragons, lands at the mouth of the Blackwater Rush and begins his campaign to conquer Westeros. #asoiaf #conquest

1 CE

Aegon I crowned King of the Andals and the First Men

After conquering six of the Seven Kingdoms, Aegon I is crowned at Oldtown, founding the Targaryen dynasty and uniting most of Westeros under one rule. #asoiaf #targaryen

10 CE

Death of Aegon the Conqueror

Aegon I dies at the age of 64, succeeded by his son Aenys I. His reign established the Targaryen hegemony and shaped Westeros for centuries. #asoiaf #aegon

41 CE

The Faith Militant Uprising begins

King Maegor I Targaryen faces a rebellion from the Faith Militant, who oppose Targaryen incest and dragon-riding. The conflict lasts for years and includes the Trial of Seven. #asoiaf #faithmilitant

48 CE

End of the Faith Militant under Jaehaerys I

After Maegor's death, King Jaehaerys I negotiates the disbandment of the Faith Militant, achieving peace and beginning his long and prosperous reign. #asoiaf #jaehaerys

101 CE

The Great Council of 101 AC

After the death of Prince Aemon, King Jaehaerys I calls a great council of lords to decide his heir, passing over Rhaenyra in favor of Viserys I, setting a precedent for male succession. #asoiaf #greatcouncil

129 CE

Start of the Dance of the Dragons

On Viserys I's death, Princess Rhaenyra and Prince Aegon II both claim the throne, plunging the realm into a bloody civil war between rival Targaryen factions. #asoiaf #danceofthedragons

131 CE

The Hour of the Wolf

After the Dance of the Dragons, Lord Cregan Stark marches south and serves as Hand of the King for a day, overseeing the purging of corrupt officials and restoring order. #asoiaf #stark

133 CE

The Winter Fever

A devastating plague sweeps Westeros, killing thousands including King Aegon III's brother and many lords, weakening the realm. #asoiaf #plague

161 CE

Daeron I's War for Dorne

Young King Daeron I invades Dorne, conquering it briefly, but later loses the territory in a brutal guerrilla war known as the 'Dornish War.' #asoiaf #dorne

172 CE

Death of Baelor the Blessed

King Baelor I dies after a brief reign, known for his piety and building of the Great Sept of Baelor. He is succeeded by his uncle Viserys II. #asoiaf #baelor

196 CE

First Blackfyre Rebellion

Daemon Blackfyre, bastard son of Aegon IV, rebels against King Daeron II, starting a series of wars that plague the Targaryen dynasty for generations. #asoiaf #blackfyre

First Blackfyre Rebellion
First Blackfyre Rebellion
By Gustave Doré - Scan from a Dutch bible, Public domain, https://commons.wikimedia.org/w/index.php?curid=82622
209 CE

The Great Spring Sickness

A deadly plague with a high mortality rate spreads across Westeros, killing many nobles and commoners, including King Daeron II and his heirs. #asoiaf #plague

209 CE

Dunk and Egg: The Hedge Knight

The first of George R.R. Martin's Dunk and Egg novellas is set during the reign of Aerys I, telling the story of Ser Duncan the Tall and his squire Egg (future King Aegon V). #asoiaf #dunkandegg

211 CE

Second Blackfyre Rebellion

A smaller uprising by supporters of the Blackfyre claim, quickly crushed by royal forces. #asoiaf #blackfyre

219 CE

Third Blackfyre Rebellion

A brief rebellion led by a pretender, easily suppressed by King Aerys I and his Hand, Brynden Rivers. #asoiaf #blackfyre

236 CE

Fourth Blackfyre Rebellion

Another failed rebellion by the Blackfyres, ending with the death of the pretender at the Battle of the Wendwater Bridge. #asoiaf #blackfyre

260 CE

War of the Ninepenny Kings

The final Blackfyre Rebellion, supported by mercenaries from the Disputed Lands. It ends with the death of Maelys Blackfyre and the end of the Blackfyre line. #asoiaf #war

277 CE

Defiance of Duskendale

Lord Denys Darklyn holds King Aerys II prisoner in Duskendale for six months, leading to the king's paranoia and the death of the entire Darklyn family after rescue. #asoiaf #duskendale

281 CE

Tourney at Harrenhal

A grand tournament held in the Riverlands, where Prince Rhaegar Targaryen crowns Lyanna Stark as the Queen of Love and Beauty, sparking rumors that lead to Robert's Rebellion. #asoiaf #harrenhal

282 CE

Start of Robert's Rebellion

After the execution of Lord Rickard Stark and his heir Brandon, Robert Baratheon, Jon Arryn, and Eddard Stark raise their banners against King Aerys II, beginning the war. #asoiaf #rebellion

283 CE

Robert Baratheon crowned king

Robert I is crowned in the Great Sept of Baelor, ending the Targaryen dynasty and beginning the Baratheon reign. #asoiaf #robert

283 CE

Battle of the Trident

Robert Baratheon kills Prince Rhaegar Targaryen at the Battle of the Trident, a decisive victory for the rebels that breaks Targaryen power. #asoiaf #trident

283 CE

Sack of King's Landing and death of Aerys II

Lord Tywin Lannister sacks King's Landing, Aerys is killed by Ser Jaime Lannister, and Rhaenys and Aegon Targaryen are murdered by Gregor Clegane. #asoiaf #sack

289 CE

The Greyjoy Rebellion

Lord Balon Greyjoy of the Iron Islands rebels against the Iron Throne, declaring himself king. King Robert crushes the rebellion and takes Balon's son Theon as hostage. #asoiaf #greyjoy

298 CE

Death of Jon Arryn

Jon Arryn, Hand of the King, dies unexpectedly. His death sparks the events of A Game of Thrones, as Eddard Stark is summoned to become the new Hand. #asoiaf #hand

298 CE

Ned Stark becomes Hand of the King

Eddard Stark travels south to serve as Hand, beginning his investigation into Jon Arryn's death and the legitimacy of King Joffrey. #asoiaf #stark

299 CE

Execution of Eddard Stark and start of the War of the Five Kings

King Joffrey orders the execution of Ned Stark, triggering a massive rebellion. Robb Stark is proclaimed King in the North, and Balon Greyjoy, Renly Baratheon, and Stannis Baratheon also claim the throne. #asoiaf #war

299 CE

Robb Stark crowned King in the North

Robb Stark is named King in the North by his bannermen, leading the Northern army to multiple victories in the Riverlands. #asoiaf #robb

300 CE

Daenerys Targaryen conquers Slaver's Bay

Daenerys uses her dragons and Unsullied army to take Astapor, Yunkai, and Meereen, freeing slaves and destabilizing the region. #asoiaf #daenerys

300 CE

Jon Snow elected Lord Commander of the Night's Watch

Jon Snow is chosen as the 998th Lord Commander after his leadership against the wildlings, and he allows free folk south of the Wall. #asoiaf #nightswatch )

300 CE

Death of Tywin Lannister

Tywin is shot with a crossbow by his son Tyrion while on the privy, leading to political instability in the capital. #asoiaf #tywin

300 CE

The Red Wedding

At the Twins, Lord Walder Frey and Roose Bolton betray the Starks, murdering Robb Stark, his mother Catelyn, and many Northern lords in violation of guest right. #asoiaf #redwedding

300 CE

Battle of the Blackwater

Stannis Baratheon attacks King's Landing by sea, but is defeated by the combined forces of Tyrion Lannister and Tywin Lannister with the aid of the Tyrells. #asoiaf #blackwater

300 CE

Death of Joffrey Baratheon

King Joffrey dies at his wedding feast, poisoned by the Tyrells and Littlefinger. His death leads to Tyrion's trial and escape. #asoiaf #joffrey