Timeline of Osirion

The symbol of Osirion.

See also: Osirion

First Age of Osirion

• -3470 AR: The birth of Ancient Osirion unfolded with the guidance of the god-king Nethys. Azghaad I, under this divine influence, accomplished the unification of warring tribes that had long disputed along the River Sphinx. Azghaad emerged victorious against the Spawn of Rovagug, Ulunat, a feat that heralded the establishment of the grand city of Sothis. This pivotal moment marked the genesis of Osirion's inaugural pharaonic dynasty.
• -3412 AR: Azghaad commissions the construction of a magnificent temple dedicated to the All-Seeing Eye and declares Nethys as Osirion's patron god, marking the advent of the First Age of Osirion.
• -3290 AR: The city of Ekbet is founded near the headwaters of Junira River
• -3047 AR: The Song Pharaoh overthrows the Pharaoh of Forgotten Plagues; the city of Shiman-Sekh is founded
• -3000 AR: Ruled by a succession of God-Kings, Osirion is at its height; at this time it includes all or part of modern Rahadoum, Thuvia, Katapesh, Nex and Geb
• -2764 AR: The collapse of the Jistka Imperium removes Osirion's main rival for control of northern Garund
• -2587 AR: The city of Totra is founded by An-Hepsu II
• -2370 AR: The bridge known as the Khopesh Span is constructed across the Crook River at Ipeq
• c.-2168 AR: An-Hepsu XI, known as the Pharaoh of No Rain or the Incorruptible Pharaoh, becomes pharaoh; he rules for nearly 400 years
• -1768 AR: Pharaoh An-Hepsu XI is imprisoned; Kemusar I serves as regent in his stead
• -1759 AR: Kemusar I is murdered; eleven days later his unfinished tomb disappears
• -1758 AR: Sekhemib I reaches adulthood and becomes the new pharaoh
• -1608 AR: The city of Wati is founded by Djederet II
• -1605 AR: The city of Tephu is founded by Djederet II
• ???? A series of incompetent rulers and foreign invasions causes Osirion to decline

Second Age of Osirion

This is also known as the Age of the Black Sphinx.

• -1498 AR: The Four Pharaohs of Ascension become joint rules of Osirion, ushering in the Second Age of Osirion
• -1476 AR: The Four Pharaohs begin construction of Tumen, which is to be their new capital
• -1452 AR: Osirion defeats its erstwhile ally, the Tekritanin League
• -1431 AR: The rule of the Four Pharaohs comes to an end, and Osirion declines once more
• -1334 AR: Tumen is abandoned
• -841 AR: Osirion effectively cedes control of Thuvia by failing to send a new governor; the fortress of Mekshir is swallowed by a sandstorm
• -447 AR: Pharaoh Ahabaris I is torn apart by the mob after a short rule marked by inhuman decadence and cruelty
• -107 AR: The city of An is founded by Pharaoh Hirkoshek I
• ???? Hirkoshek I is succeeded by Hirkoshek II
• ???? Hirkoshek II is succeeded by Zahur I
• -21 AR: Kamaria the Brazen becomes pharaoh, a worshipper of Rovagug
• 159 AR: Kamaria is succeeded by Gebessek IX, known as the Healer
• ???? Menedes I, the Sky Pharaoh, is the first ruler of what will be Osirion's last native dynasty prior to invasion from Qadira

Kelish interregnum

• 1532 AR: Agents from Qadira overthrow Pharaoh Menedes XXVI and replace him with a Qadiran satrap
• 2217 AR: The growing influence of the Cult of the Dawnflower is viewed as a threat by the Qadiran satrap, who banishes its followers to the western desert. Some establish themselves in Katapesh
• 2253 AR: Followers of Sarenrae overthrow the Kelish satrap, replacing him with a Kelish sultan independent of Qadira
• 2499 AR: The cult of Lamashtu spread the Plague of Madness; an estimated 60% of the population of the city of Wati die from the disease
• 2953 AR: Clerics of Pharasma establish a major temple in Wati to honour those who died of the plague

Forthbringer Dynasty

• 4609 AR: The Osirians overthrow the Kelish sultan, and establish Khemet I as the first Osirian ruler of the country for three thousand years
• c.4649 AR: Khemet II succeeds his father as pharaoh
• c.4679 AR: Khemet II dies and is succeeded by his son Khemet III
• 4707 AR: Khemet III opens up Osirion to foreign explorers

References

For additional as-yet unincorporated sources about this subject, see the Meta page.