Below is the official timeline, translated ages ago, I think by the first fan who translated during the bemani forum era?
The one marked with ** is the addition from Masinowa booklet, translated kindly by Ido here in the forum ^^
The Chronology
Before History About 2500
The eight pieces of Ristaccia were discovered by the eight races.And the eight races started their evolution under the influence of Ristaccia.
**1000 before history
From Garukia continent, some of the Humina crossed over and reached the continent of Eijeek.
**900 before history
The people living in the south of the continent of Eijeek discovered Junaguni island’s ancient ruins.
**800 before history
Because of Mt. Mifushi’s great eruption, Eijeek’s north and south were divided, its population dropped sharply.
**600 before history
In the vicinity of Wenkamui, the genocide of the Humina took place by the Gadena.
**500 before history
At Mt. Mifushi, the ancestral miko, Ame no Uzume was the focus of sacred mountain faith group, the Yamajijin appear.
**300 before history
Yamajijin settlements experienced a bad crop/terrible famine.
Before History About 350
The Ristaccia War started.The eight races used Ristaccia-inserted powerful weapons fighting each other,caused great damage to the planet.
Before History About 250
The Ristaccia War ended.Six of the eight races were completely vanished by the power of Ristaccia.
Before History About 200
The Rufinas created a memeplex named "Σ",and then vanished.
Before History 182
On The Continent Of Eijeek (?),The Kingdom Of Masinowa was founded by Huminas.
Before History about 100
On The Continent Of Galkia (?),the huminas resurrected the worship of Ristaccia once again after The Ristaccia War.They adored the Ristaccia-inserted sword "Trisagion" which had protected The Humina Race from vanishing.By the hand of Ariates Jusis (?),the religion group "Trisagionid" (?) was established.
Before History about 100
Trisagionid was expanding its influence on the continent.
**before history 50
The Trisagion doctrine group spread, constructed towns throughout the Garukia continent.
Melius (?) Calendar 1
The Holy Kindom Of Noigllado was established by Melius Jusis (?),the grandson of Ariates and the highest priest of Trisagionid.That's the first year of Melius Calendar.
**Melius Calendar 9
Gijiri is born in the Kagachijin village Jakotsu.
**Melius Calendar 23
Gijiri burns down Jakotsu.
Melius Calendar 32
Gijiri,the top leader of the special agency "Sazaragi" (?) in Masinowa,created a devils' lair at Wenkamui.
Melius Calendar 65
The devils started getting crazy and uncontrollable.
Melius Calendar 98
A magician named Ido sacrificed himself to seal the devils' lair.
**Melius Calender 119
Gijiri took over the Inomikado house, one of the 4 sacred houses.
**Melius Calender 122
The mysterious death of the 15th generation Heavenly god child (Tenjin no Ko) Amatsu Kunue no Himemiko was carried out.
Melius Calendar 143
A member of Sazaragi named Kukaru (?) got onto The Island Of Turii,and took Malchut away with him.
Melius Calendar 145
The Kingdom Of Masinowa doomed.
Melius Calendar 150
A strange plague struck Novarista,the capital of the holy kingdom.
Melius Calendar 154-3
The king gave the order to send all the sufferers to a big sailboat and push the boat into the ocean.
Melius Calendar 568-11
To resist the racial policy against the principal ethnic Nasem (?),a hero named Raseed (?) and his mercenaries occupied Pananora,established a new country named The Kingdom Of Azuelgatt.
Melius Calendar 575-12
The army of Azuelgatt occupied Queid Mines.
Melius Calendar 583-5
For the resources in the mine,the holy kingdom had to recognize Azuelgatt as an independent country.
Melius Calendar 643-1
A big ceremony of peace was held between the two countries.In order to avoid the dictatorship of the king,an agency named "Agiona" (?) was set up.
Melius Calendar 701-3
Shamshir was born in Amuss.
Melius Calendar 709-2
Lien was born in Ridenburg.
Melius Calendar 716-7
Shamshir left her army to seek for that legendary scimitar.The agency Agiona had seized the actual power of the holy kingdom.
Melius Calendar 717-6
The holy kingdom made a sudden strike to Azuelgatt.
Melius Calendar 719-4
At Doroah Fortress,the invading army led by Adnowell (?),the commander in chief of the holy knightage,had been ejected by Shamshir and lost more than half of the soldiers.
Melius Calendar 719-9
At Ostrista River,Adnowell's army was thrashed again by Shamshir.
Melius Calendar 719-11
Shamshir occupied Madura and drove her amry to Novarista.
Melius Calendar 719-12
The king was made a scapegoat and sentenced to death by Agiona,and the war ended.The Kingdom Of Azuelgatt became the biggest country on the continent for occupying more than two-thirds of the whole territory on the continent.
Melius Calendar 720-6
Hannes was born in Fallarien.
Melius Calendar 720-7
The Tragedy In Isfaphan.Shamshire killed much people under the control of Ristaccia.The domination of the kingdom completely collapsed and many peoples have to exile to the holy kingdom.
Melius Calendar 721-2
The Kingdom Of Azuelgatt doomed.Shamshir disappeared.
Melius Calendar 723-5
Lien became a transcendental being in Olivie Ruins.
Melius Calendar 723-9
Lien met Shamshir in Ristaccia Ruins and was killed by her.Nox and Matin were born in Novarista.
Melius Calendar 726-9
Agiona converted the holy kingdom to a queendom and appointed Matin as the first empress,despite that Nox was the heir to the throne.Adhuk,the leader of the royal guard couldn't accept it and took Nox away with him.
Melius Calendar 736-5
The Spring Of Lourdes dried up.Hannes killed all the people in Fallarien and started to cross the ocean to get to the continent.
Melius Calendar 737-11
Falo met Nox in the depth of Panan Jungle.
Melius Calendar 739-1
Nox,the leader of the rebellion met Malacia (?),the leader of the pirates.They formed an Anti-Noigllado alliance with each other.The alliance was named "Novaria".
Melius Calendar 739-7
Matin drove her army to Sonne Citadal to counter Nox's pirate army.
Melius Calendar 740-1
The zealots of Hannes made a sancturay for her in Megiddo.