Timeline of Daitō
Pre-History
• 82,000 BC - Earliest evidence of human habitation in mainland Daitō.
• 13,000 BC - Beginning of the
Sumihori period.
• 4,700 BC - Beginning of the Chalcolithic era in Daitō.
• 4,100 BC - Earliest evidence of proto-writing in Daitō, the
Seinaru mizu no sei cave inscriptions.
• 3,600 BC - End of the Chalcolithic era, beginning of the Bronze Age.
• 2,100 BC - Early migration of the Soten people into southern Daitō. They would become the modern Daitōjin.
• 1,700 BC - Earliest city in Daitō, Osumi, is founded.
• 1,540 BC - Earliest recorded writing among the Sumihori peoples. End of Pre-Historic Daitō.
Late Sumihori Period
• 1,300 BC - The Sumihori city of Asadal is sacked by the early Daitōjin.
• 1,050 BC - Collapse of the Sumihori civilization, end of the Sumihori period. Beginning of the Warring States period.
Warring States Period
• 1,050 - 620 BC - Expansion of Daitōjin civilization throughout mainland Daitō.
• 920 BC - Earliest Daitōjin settlement in Awara.
• 850 BC - Earliest Daitōjin settlement in Ashina.
• 780 - 550 BC - Raids from Aranye and Rusan frequent the coast of Daitō.
• 750 BC - Kaiyō is founded.
• 620 BC - Mythical enthronement of the first Emperor,
Shin'ō Tenno.
• 540 BC - Mythical death of Emperor Shin'ō. Emperor Shihō takes his place.
• 440 BC - Earliest directly traceable form of the Teidō faith.
• 293 BC - Earliest form of the Daitōjin Calligraphic Script appears.
• 284 BC - Enthronement of Emperor Kōgen. Founding of Kitami. End of the Warring States Period.
Pentarchical Era
• 178 BC - Founding of Ishikari.
• 146 BC - Earliest mention of Clan Heishi.
• 128 BC - Founding of Teshio.
• 53 BC - Founding of Hidaka.
• 6 BC - Founding of Sagami.
• 29 AD - Establishment of the Grand Shrine at Mount Idai.
• 87 - 96 AD - War between Kitami and Teshio.
• 96 AD - Kitami seizes the rest of the Bōsō Peninsula from Teshio.
• 152 AD - Clan Heishi seizes power in Ishikari.
• 167 AD - The King of Ishikari, seeking to stabilize his position, captures Mount Idai following a brief conflict with Hidaka.
• 204 AD - Christianity first arrives in Daitō, though it does not dislodge local faiths in all but a few communities.
• 236 - 491 AD - Ishikari undergoes a golden age, holding significant sway over Daitōjin society.
• 372 - 397 AD - Civil war in Sagami.
• 392 - 403 AD - Civil war in Teshio.
• 400 - 416 AD - Kitamian intervention in Teshio.
• 416 AD - Kitami subdues Teshio, transforming it into a de-facto vassal of the former kingdom.
• 488 AD - A confederation of the five Daitōjin states and various other small principalities is established, with the leading monarch rotating every ten years. The King of Kitami is the first head of this confederation.
• 488 - 690 AD - Confederal Period in Daitō.
• 506 - 631 AD - The Baruungar Khaganate controls western Daitō up to the Idaina mountains.
• 668 AD - Enthronement of Sadaakira as King of Kitami. His reign would see the strengthening of his realm's position within the confederation, transforming it into a hereditary monarchy.
• 690 AD - Enthronement of Emperor Suizei. Proclamation of the Empire of Daitō. End of the Pentarchical era.
Early Imperial Era
• 715 AD - Emperor Suizei dies and is succeeded by his son, Emperor Shinwa.
• 726 - 733 AD - The Keisen rebellion rages in Sagami.
• 749 AD - Emperor Shinwa dies and is succeeded by Empress Kaika.
• 806 AD - Teshio is integrated into Kitami.
• 962 AD - Ishikari is integrated into Kitami.
• 1017 AD - Hidaka and Sagami declare independence.
• 1017 - 1042 AD - The Wars of Unification
• 1028 AD -
• March 1028 - Emperor Ankan dies. Emperor Heiwa accedes to the throne. A regency is established in the Empire.
• October 1028 - The city of Saito is captured by Imperial forces.
• November 1028 - Hidaka surrenders and is integrated into the Kitami.
• 1037 AD - The regency for Emperor Heiwa ends.
• 1042 AD - Sagami surrenders. End of the Wars of Unification. Proclamation of the Empire of Daitō.
Western Court Era
• 1048 AD - The Heiwa Emperor appoints Satomi no Kazumasa as Taikō (Grand Duke) of Teshio.
• 1052 AD - The Heiwa Emperor appoints Heishi no Masatsune as Taikō of Ishikari.
• 1053 AD -
• June 1053 - The Heiwa Emperor appoints Matsumae no Yoshimasa as the Taikō of Sagami.
• October 1053 - The Heiwa Emperor appoints Nishiōji no Kazunori as the Taikō of Hidaka.
• 1057 AD - The Armies of the Heiwa Emperor march west, beyond the Akaishi and Idai mountains. The Western campaigns begin.
• 1071 AD - Having seized a significant part of the coast of the Ardian Gulf, the Western campaigns come to an end.
• 1073 AD - The Heiwa Emperor, his ambition knowing know bounds, orders the conquest of what is now Northern Rokkenjima. Though it would see less success owing to more organized resistance in the region, the region around modern-day Aldspring would fall under Daitōjin control for fifty years and see frequent incursions for much of the Western Court Period.
• 1081 AD - Construction begins of a funerary complex for the Heiwa Emperor. It would take a form similar to older Imperial tombs known as
Kofun, being the largest of these tombs.
• 1088 AD - The Heiwa Emperor dies. The Shiroi Emperor is enthroned. The Heiwa Kofun is sealed off to any visitors, eventually being abandoned save for a small shrine until the 1880s.
• 1106 AD - The Harigatani Rebellion begins in Sagami, with the city of Nigata being seized by the rebels in October.
• 1109 AD - The Harigatani Rebellion is crushed and its leaders executed.
• 1121 AD - The Shiroi Emperor dies. The Sangaku Emperor is enthroned.
• 1128 AD - The Sangaku Emperor dies. The Kaiyō Emperor is enthroned.
• 1164 AD - The Kaiyō Emperor is assassinated. The Midori Emperor is enthroned.
• 1170 AD - The Kosen Uprising begins.
• 1171 AD - The Kosen Uprising is crushed at the hands of the Midori Emperor.
• 1193 AD - Emperor Go-Shiroi is enthroned following the death of his father, the Midori Emperor.
• 1199 AD - Beginning of the First Daitōjin Golden Age.
• 1239 AD - The Go-Shiroi Emperor dies and is succeeded by his grandson, the Hikari Emperor.
• 1247 AD - The Hatekayama clan is founded as a branch of the Imperial clan.
• 1283 AD - The Hikari Emperor abdicates. The Ryokō Emperor is enthroned.
• 1309 AD - First mention of Clan Yamana.
• 1316 AD - Emperor Ryokō dies. The Go-Sangaku Emperor is enthroned.
• 1328 AD - The First Daitōjin Golden Age ends.
• 1338 AD - The Go-Sangaku Emperor is killed in a duel with the famed swordsman, Gentaro Hasei. The Sesai Emperor is enthroned.
• 1353 AD - The Sesai Emperor abdicates and the Go-Hikari Emperor is enthroned. The Isaka Clan is founded.
• 1357 AD - The former Sesai Emperor begins his first voyage abroad, travelling to and expanding the edge of the known world, at least for the Daitōjin people.
• 1381 AD - The Go-Hikari Emperor abdicates. The Kōtoku Emperor is enthroned.
• 1393 - 1426 AD - Rebellions ravage the Empire.
• 1401 AD - The Kōtoku Emperor is killed in the Battle of Ojiya. The Suihei Emperor is enthroned.
• 1426 AD - The Suihei Emperor is assassinated. With no clear heir, a succession dispute plunges the Empire into fifty years of civil war, a period known as the "Northern and Southern Courts" period.
Northern and Southern Courts Period