Calendar

Syra's current calendar was created following the Elf Wars. It consists of twelve months, each named for a great hero who fell during the war. Each week has eight days, named for eight of the gods. The months are thirty days long, and sync up with Omiel's lunar cycle. The full moon is on the first of each month, and the new moon is on the sixteenth.

The days of the week are Corlsday, Yonday, Ehloday, Korsday, Pelsday, Cobsday, Moraday, and Bahamusday.

The months of the year are Adinar, Sebina, Acteus, Oberth, Hegasat, Tarliel, Nachtur, Urnaor, Esilcar, Leroit, Gedranh, and Adirnaan.

Spring begins on the 16th of Sebina, Summer on the 16th of Hegast, Autumn on the 16th or Urnaor, and Winter on the 16th of Gedranh.

Timeline
A rough timeline of important events:

Year -15

 * Lolth corrupts the first elves into drow. This is generally considered to be the beginning of the Elf Wars.

Year -3

 * The Feywild becomes disjointed from the Material Plane.

Year 0

 * With the help of Boccob, Corellon Larethian magically seals Lolth and the drow in Doth'Candorun, bringing an end to the Elf Wars.

Year 1367

 * The last of the southern city-states are conquered by the Empire of Estorium.

Year 1632

 * Boccob grants a crystalline artifact to the priests at the Temple of the Mind's Eye in Derenath. An order of priests known as the Kaorti is created to study it and learn its secrets. Calling it the Tear of Boccob, their research leads to many wonderful discoveries, ushering in an age of magical prosperity of Estorium.

Year 2069

 * Vyrellis is imprisoned within the Pyramid of Shadows.

Year 2096

 * The dragon Sinianth becomes a dracolich. He is destroyed by a combined force of metallic and chromatic dragons, but his phylactery is never found.

Year 2193

 * The illithids launch a surprise attack against Estorium's capital of Derenath from the Underdark, beginning the Illithid War.

Year 2196

 * Under the leadership of Voran, the Estorian mages create the shardminds to use as a weapon against the illithids.

Year 2197

 * The Estorians finally defeat the illithids, driving the survivors deep into the Underdark. Most of the surviving Estorians leave Estorium, which has been utterly devastated by the war. The shardminds are placed in a state of magical hibernation.
 * Voran leads a group of survivors to the edge of the Dawning Woods, where they establish a settlement.
 * Another group of survivors, led by the Kaorti, establish the village of Wellspring. Having taken the Tear of Boccob with them from Estorium, they head into the mountains and construct a tower to hide the Tear in case the illithids return. Contact with the tower dwindles over the years and ultimately ceases, and the Tear's hiding place is lost.

Year 2199

 * The last prince of Estorium, now king with the death of the rest of his line, establishes the kingdom of Tromanyth. The capital is just east of the Serpentcoil Mountains.

Year 2200

 * Voran creates a series of artifacts designed to grant psionic powers to mankind to arm them against the inevitable return of the illithids.

Year 2203

 * Voran's settlement is destroyed by illithids. Voran is taken captive, tortured, and ultimately killed.

Year 2672

 * Silverstone is founded as part of a trade alliance between Tromanyth and the dwarven city of Feldran in the Iron Crags.

Year 2685

 * Prince Latham of Tromanyth casts a spell that converts everyone in his castle into undead under his control. With his new army, he immediately sets about massacring his kingdom's citizens and raising them as undead, seeking to create an immortal kingdom of undeath in the name of Vecna.
 * Clerics and paladins of Pelor from Edras join forces with dwarven soldiers from Feldran, and everyone in Tromanyth willing and able to fight against their prince.
 * Feldran is overrun by undead, though Silverstone manages to hold them off.
 * Prince Latham is slain before he can complete the ritual that will make him a lich, ending both his war and his bloodline.

Year 2686

 * With no king to rule them, the surviving towns and cities of Tromanyth declare their autonomy, calling themselves the Free Cities.
 * Silverstone becomes the unofficial capital of the Free Cities, and expands considerably.
 * Edras receives a massive influx of citizens wishing to convert to the worship of Pelor, and grows significantly.

Year 2926

 * Priam Adenis finds one of Voran's psionic artifacts.

Year 2929

 * The Brightstone Heroes begin adventuring together.
 * The town of Rion is destroyed by a band of kobolds.
 * The Brightstone Heroes retake Brightstone Keep from a band of orcs and begin rebuilding it.
 * The first two seals on Doth'Candorun are destroyed. The Brightstone Heroes are sent to Winter's Gate, but are waylaid by a redirected teleportation spell.

Year 2930

 * Lolth grants a portion of her divinity to Kiaransalee, making her a goddess.
 * Kiaransalee pulls a fragment of the Negative Energy Plane into Doth'candorun, constructing the Undying Temple around it.
 * Tarth Moordra is destroyed by Valthian and the Cult of the Spider.
 * Faust becomes a vampire. The clerics of the Temple of the Warm Embrace resurrect the Tarth Moordra warmages to defend Winter's Gate.
 * Kiaransalee uses the Undying Temple to planeshift several pieces of terrain out of Doth'candorun into the rest of the world, creating stable portals and allowing some of the drow to escape.
 * Priam's village is destroyed by bandits, but he is rescued by the Brightstone Heroes.
 * Theriana leads the Cult of the Spider in an assault on Winter's Gate, but they are repelled.
 * The Brightstone Heroes enter Doth'Candorun and destroy the fragment of the Negative Energy Plane, closing the portals.
 * Boccob and Corellon strengthen the remaining seals on Doth'Candorun.

Year 2931

 * Sinianth's phylactery is located, but the Brightstone Heroes destroy it before he can fully regenerate.
 * Leardon Sunflare becomes a lich.
 * Priam Adenis marries Myra Brigg.

Year 2932

 * Nerull convinces Gruumsh, Hextor, and Bane to aid him in an assault on the plane of Celestia, beginning the Deity War.
 * Priam and Myra found the Trine Academy.

Year 2933

 * Erythnul launches his own assault on Celestia, and is destroyed by the combined forces of Bahamut, Moradin, and Kord.

Year 2934

 * Hextor and Heironeous face each other in single combat. Heironeous kills Hextor, but is ambushed and slain by Nerull.

Year 2935

 * Afflux is destroyed, apparently by Vecna.
 * Hlal and Bahamut lead a joint attack on Nerull, but are defeated. Though Bahamut escapes, Hlal and her exarchs are slain.

Year 2936

 * The Negative Energy Plane drains into the Plane of Shadow through the hole left by the destruction of the planar fragment in Doth'Candorun. The two planes merge, creating the Shadowfell.
 * The four elemental planes collapse into the Elemental Chaos. The Positive Energy Plane becomes lost.

Year 2937

 * Wee Jas and Boccob sacrifice themselves to destroy Nerull. The Deity War ends.

Year 2938

 * The mysterious Raven Queen appears, and many of Wee Jas's former followers begin worshiping her. Most of Wee Jas's temples are reconsecrated to the Raven Queen.
 * The Feywild realigns with the Material Plane. Priam, Myra, and Gurrard Snevilin act as ambassadors to the eladrin nations.
 * The town of Brightstone begins to form around Brightstone Keep.

Year 2939

 * A group of werewolves enters the Feywild, sparking the War of the Pelt.

Year 2944

 * Tired of the bloodshed, the Court of Stars sues for peace and allows the werewolves to settle in Brokenstone Vale.

Year 2955

 * The shardminds begin to reawaken.

Year 2959

 * The Challengers of the Unspeakable begin adventuring together.
 * Tephra opens a portal to the Far Realm in Estorium.
 * Boccob seals the portal by binding its energies to the Tear of Boccob, but is defeated by Tephra.
 * The Brightstone Heroes begin establish a base in the ruins of the Estorian city of Terastra to strike against the aberrations.
 * The eladrin Querelian attempts to restart the War of the Pelt by playing the werewolves and the city of Mithrendain against each other, but is thwarted by the intervention of the Challengers of the Unspeakable.
 * Tephra hires the Stormcrow mercenaries are to locate the Tear of Boccob. Though successful, they find that the Tear has been corrupted by the Far Realm and are mutated into aberrations. It passes through several hands before ultimately coming into Tephra's possession.
 * Tephra strikes a bargain with the demon lord Orcus, promising him the scythe of Nerull in exchange for his aid.
 * The Challengers of the Unspeakable track the Tear to the Fortress at World's End, where Tephra is using it to unseal the Far Realm portal in Estorium.
 * Kalth destroys the Tear of Boccob by throwing it into an open portal to the Far Realm, but Gryff is sucked into it and lost.
 * The Battle of Silverstone - The city is saved by the Challengers of the Unspeakable. Boccob, who had been corrupted by the Far Realm, is killed.