The Long Night Timeline

Imperial Year	Aebasan Year	Neptaran Year	Event
1620 B.I.	5006 A.C.	869 BF	The Dagda becomes ruler of the Tuatha de Dannan as Ogma steps down
1527	5099	776 BF	The Goblet of Gundagor is stolen, presumably by a human. Peace between humans and dwarves is shattered.
1520	5106	769 BF	Nuada becomes ruler of the Tuatha de Dannan after the Dagda disappears
1008	5618	257 BF	Bres, a half giant, elected ruler of the Tuatha de Dannan after Nuada loses his arm in combat and is judged unfit to rule
989	5637	238 BF	Bres is overthrown by Nuada, who has been restored by Macht.
750	5876	1 NC	End of the First Age of Elvenkind; the Dagda returns to the Tuatha de Dannan. After a brief meeting with King Nuada, the latter orders the Tuatha to retire to Otherworld. The Foundation of Neptaris by along the wild shores of the Durian continent by the explorer Zarakos of Taranio.
639 BI	5987 AT	112 NC	King Kregimar of Neptaris dies and is succeeded by his son, Ikthiorn of House Ikthian. King Ikthiorn is poisoned within three months and is succeeded by his young son, Agramen of House Ikthian, the following year.
638 BI	5988 AT	113 NC	Agramen of House Ikthian becomes King of Neptag at the age of twelve.
637 BI	5989 AT	114 NC	King Agramen of Neptag dies in a freak accident and is succeeded by his uncle, Gremoran.
632 BI	5994 AT	119 NC	King Gremoran of Neptag is crippled in a fall from a horse and was forced to step down by Neptag law. The only remaining male heir to House Ikthian is determined to be a half-elven man by the name of Orris, in exile in the Arisian Forest. The search begins for the heir to the Neptag throne.