The Isu Era (75,000 BCE)

Before diving into the historical timeline, we must first understand the ancient Isu civilization. This technologically advanced species ruled Earth before creating humans as a servile race, controlling them through powerful artifacts like the Apples of Eden. Humanity's rebellion began when Eve and Adam stole an Apple, sparking a decade-long conflict that ended when a solar flare devastated the planet, wiping out the Isu while allowing humanity to flourish.

Assassin’s Creed Odyssey (431-422 BCE)

During the Peloponnesian War, mercenary Kassandra uncovers the Cult of Kosmos - a secret society manipulating the conflict. She discovers the cult kidnapped her brother Alexios due to his Isu heritage from their ancestor, Spartan King Leonidas. Kassandra dismantles the cult's operations, destroying their Isu future-prediction device. Her journey reveals her father Pythagoras' Isu lineage and culminates in her becoming guardian of Atlantis with the immortal-granting Staff of Hermes.

Assassin’s Creed Origins (49-43 BCE)

In Cleopatra's Egypt, peacekeeper Bayek accidentally kills his son during a confrontation with the Order of the Ancients. He and wife Aya expose this precursor to the Templars controlling Egypt through puppet ruler Ptolemy XIII. Their vengeance quest reveals the Order's global ambitions with Apples of Eden, leading them to establish the Hidden Ones - the original Assassin Brotherhood.

Assassin’s Creed Mirage (861)

Former thief Basim trains with the Hidden Ones at Alamut fortress to investigate Order activities in Baghdad. He defends an Isu temple beneath the fortress, discovering his own identity as a reincarnation of the Isu trickster god Loki.

Assassin’s Creed Valhalla (872-878)

Basim accompanies Viking clan leader Sigurd and warrior Eivor to England during its invasion. Discovering King Alfred's Templar ties, they eventually realize their own Isu connections - Sigurd as Tyr and Eivor as Odin, Loki's ancient jailers. Basim exacts revenge before being trapped in Yggdrasil's simulation by Eivor.

Assassin’s Creed (1191)

Altair Ibn-La'Ahad redeems himself after mission failures by assassinating nine Templar leaders, uncovering his mentor Al Mualim's betrayal. Al Mualim intended to use an Apple of Eden for global domination, forcing Altair to kill him and assume Brotherhood leadership.

Assassin’s Creed II (1476-1499)

Ezio Auditore avenges his family's execution by Templar-affiliated Borgias, becoming an Assassin. His journey culminates in facing Pope Rodrigo Borgia and activating an Isu vault where Minerva warns of a 2012 apocalypse.

The Renaissance Trilogy Continues

In Brotherhood (1499-1507), Ezio rebuilds the Assassins after Borgia forces steal the Apple. Revelations (1511-1512) sees an aging Ezio discover Altair's final secrets in Masyaf before retiring.

Assassin’s Creed Shadows (1579)

This upcoming installment follows African samurai Yasuke and shinobi Naoe during Japan's unification under Oda Nobunaga, showing their unlikely alliance despite occupying opposing sides in the Iga province conflict.

Assassin’s Creed 4: Black Flag (1715-1722)

Pirate Edward Kenway's pursuit of Observatory treasure reveals Templar plans involving Sage Bartholomew Roberts. After betrayal and revenge, Edward chooses protecting the world over personal gain.

Colonial America Saga

Rogue (1752-1776) shows Shay Cormac's Templar turn after an Assassin mission destroys Lisbon. In III (1754-1783), Connor Kenway fights Templars during the Revolution, unknowingly opposing his father Haytham. Liberation (1765-1777) follows New Orleans assassin Aveline de Grandpré exposing a slavery-based Templar conspiracy involving an Isu Prophecy Disk.

Assassin’s Creed Unity (1789-1794)

Arno Dorian, raised by Templars after Shay Cormac kills his father, joins the Brotherhood when framed for his adoptive father's murder. His quest through revolutionary Paris uncovers Templar extremist François-Thomas Germain's Sage identity.

Assassin’s Creed Syndicate (1868)

Twin assassins Jacob and Evie Frye liberate Templar-controlled London. Their parallel missions - eliminating Templar leadership and recovering the Isu Shroud - conclude with stopping Crawford Starrick's Buckingham Palace plot.

Modern Day Timeline

The framing narrative follows Desmond Miles (2012) uncovering apocalyptic warnings through ancestral memories. Later entries feature researchers exploring past memories, culminating in Layla Hassan's discoveries (2017-2020) about the Isu's disaster predictions and her role in maintaining balance.

The Complete Assassin's Creed Experience

From Altair's 12th century adventures to upcoming feudal Japan settings, the franchise spans millennia of secret history where Assassins and Templars clash over Isu artifacts influencing human civilization's course.