1

World Inside - Chronology

Birth of Christ

4

World Inside - Chronology

Outbreak of the Second Germanic War

30

World Inside - Chronology

Death of Christ

64

World Inside - Chronology

Great Fire of Rome

Persecution of Christians by the tyrannic Emperor Nero.

100

World Inside - Chronology

The Roman Empire prospers

165

World Inside - Chronology

Sixteenth Germania War, pestilence from West Asia spreads over imperial territory

250

World Inside - Chronology

The Decian persecution of Christians

311

World Inside - Chronology

Edict of Serdica and enactment of the crossed flag

313

World Inside - Chronology

Edict of Milan

379

World Inside - Chronology

Birth of Theodosius the Great

395

World Inside - Chronology

With the death of Theodosius the Great, the Roman Empire is divided into East and West

440

World Inside - Chronology

Birth of Pope Leo the Great in the Roman Church.

449

World Inside - Chronology

The Anglo-Saxons invade Britannia, marking the beginning of the era of the Seven Kingdoms (Heptarchy)

476

World Inside - Chronology

Fall of the Western Roman Empire

585

World Inside - Chronology

Migration of Slavs begins

610

World Inside - Chronology

Muhammad receives a revelation from heaven and establishes Islam

726

World Inside - Chronology

Prohibition of holy images issued by the Roman Church

731

World Inside - Chronology

Roman Church censures opponents of holy images

732

World Inside - Chronology

Battle of Tours/Poitiers

747

World Inside - Chronology

The plague spreads in the Eastern Roman Empire

756

World Inside - Chronology

Islamic Empire split into East and West

800

World Inside - Chronology

Normans begin to ravage various parts of Europe

843

World Inside - Chronology

The Treaty of Verdun divides the Frankish Empire into three kingdoms

856

World Inside - Chronology

Earthquake in Corinth, Tunisia, Iran, and Kyoto

The Cataclysm. Overnight, a city appears in the Iberian Peninsula

Looting and crime by refugees and rioters has increased dramatically.
Sightings of unidentified creatures are frequent. More incidents of people being attacked.

858

World Inside - Chronology

Fall of the Eastern Roman Empire

There is a popular rumor that giant dragons flew in swarms and reduced the Imperial Capital to ashes overnight.

862

World Inside - Chronology

West Frankish, Middle Frankish, and Bundes Frankish monarchies collapse one after the other

Starting with the murder of Lodovico II of the Middle Frankish Kingdom by a mob, the riots spread to other countries.

865

World Inside - Chronology

The concept of Midgard is born. Rumors of a "Cathedral City" spread among the people

Midgard is the name given to the area of Europe that has lost a nation-like state since the Great Disaster

The name "Cathedral City" permeated the cities that appeared after the Great Calamity. People settled in and a self-governing system began.

867

World Inside - Chronology

Establishment of the Pythagoras Institute

The Pythagoras Institute, a research organization for the causes of the frequent disasters, calamities, and anomalies in the world, is established by former kingdom nobles and intellectuals who fell into the Cathedral City.

The Pythagoras Institute is established. The Pythagoras Institute begins to function.
Refugees from all over the world begin to migrate to church cities in search of relief.

868

World Inside - Chronology

Construction of the Chaldea Gate. The Ten Days of Tragedy occurs

Due to serious food shortages, Cathedral City cannot take any more refugees. The Chaldean Gate is built in three nights to limit the influx of refugees, followed by seven nights of violent conflicts between the rioting refugees and the city's self-defense forces. The event is later named "The Tragedy of Ten Nights."

869

World Inside - Chronology

One after another, individuals appear among the people with the ability to perform "Miracles" such as destruction that surpasses human power and detecting water veins.

870

World Inside - Chronology

The existence of "Magic" is affirmed by the Pythagoras Institute.

872

World Inside - Chronology

Those who perform "Miracles" bring strict order and social functions to the Cathedral City.

875

World Inside - Chronology

The Pythagorean Institute establishes a system of recognition and affiliation for those who perform Miracles. Pythagoras institution, thus establishing its social status.

Order and social functions will be brought about within the city by those who perform Miracles: the Users.

878

World Inside - Chronology

The Chaldea Gate is opened

The Chaldea Gate is opened for the first time in ten years, and the city functions are expanded. Local governance by the Users begins, and the beliefs and religions of the past are transformed.

A new concept of faith spreads among the people: the Users and Miracles of the Pythagorean Institute (later known as simply "The Church").

882

World Inside - Chronology

The Council of Chaldea

The first council of the Church and the Pythagorean Organization, which has held power since before the Great Disaster. Proclaims the establishment of a new "Church" as an organization to bring peace to a world in turmoil. The Pythagoras Institute is incorporated as a secret organization under the direct control of the Church, and the name of the Pythagoras Institute disappears from historical records.

The Church strengthens the registration system to prevent rebellions by "wielders," and calls them "sorcerers. At the same time, research on "sealing magic" to control magic power is actively conducted.

885

World Inside - Chronology

Runaway Magic Accident

An incident in which a third of a city is lost due to a sorcerer's magical outburst. The Church announced that it would suppress it with the results of its research on sealing magic. (In reality, the experiment of sealing magic failed, causing the body to bloat, and the sorcerer, who became only a giant foot, trampled down the slums, killing over 2,000 people in one night, but the official announcement by the church is as above.

888

World Inside - Chronology

Execution of the Fourth Cathedral City Expansion Plan

City Expansions Underway.

The Church aims to further expand its territory with the eternal peace of Midgard brought about by prayer and magic.

890

World Inside - Chronology

Formation of the Church Research Group

Volunteers are recruited from the people, and the Church's Birth Investigation Team is formed to take control of the surrounding autonomous territories.

892

World Inside - Chronology

The Church Survey Group is allowed to be accompanied by sorcerers who are armed with large weapons and control offensive magic, and they take control of the autonomous territories around the city one after another. It functions as a real army.

895

World Inside - Chronology

The power of the Church expands in various areas.

904

World Inside - Chronology

The Church takes over the entire Iberian Peninsula

It becomes customary for church survey teams to go on expeditions, subdue cities, and then remain in the area to assume autonomous functions. Lords" are born in various regions to govern vast areas.

907

World Inside - Chronology

The Tang Dynasty comes to an end in East Asia

910

World Inside - Chronology

Magic Academy established

Churches and magic power research are aggressively promoted. Magisteriums are established in each region, and full-scale research is further advanced.

912

World Inside - Chronology

Accidental outburst of magic power

In the middle of construction, an accident occurs again at a Magic Academy. However, due to the use of sealing magic, the only damage is the death of two people, the runaway and the person exercising sealing magic.

930

World Inside - Chronology

The Magic Academy completed the foundation of magic. Thereafter, magic spread among the people as a common technology.

938

World Inside - Chronology

In order to further expand and stabilize its power, the Church begins to cooperate with Lords who own vast lands and power in various regions by sharing profits.

951

World Inside - Chronology

Bribery of Church authorities by local Lords became customary. Conflicts between Lords broke out frequently in various regions. Regions ruled by lords who had expanded their territories began to be referred to as "forest country" or "mountain country.

960

World Inside - Chronology

Song Dynasty established in East Asia. Church collusion problems surface.

The first Magic Director" was elected by the lords. Since he was a person who was not familiar with magic at all, the issue of collusion between the upper echelons of the church and the lord came to the surface.

The anxiety of the magic words belonging to the Magic Academy begins to pile up.

971

World Inside - Chronology

The White Rebellion occurs

Some young mages are fiercely opposed to the current situation where it continues to be customary for the lord to elect the head of the Magic Academy. A mob of mages surrounds the central graveyard in the Cathedral City and presses for the removal of the head of the graveyard, but it is suppressed overnight. The White Rebellion

985

World Inside - Chronology

Famine strikes

A large-scale famine occurs. The supply of food from the provinces to Cathedral City is severely disrupted for several years. It becomes customary to see money, weapons, women and children being exchanged for food by the city authorities, including political circles and the upper echelons of the Church.

986

World Inside - Chronology

Formation of the Blue Clan

The poor are dissatisfied with the political situation due to food shortages, and the mages are frustrated with the corruption within the Academy of Magicians. This unrest leads to the formation of an underground group of citizens who are planning a revolution. The group is known as the "Blue Clan".

990

World Inside - Chronology

The Blue Clan becomes more active. Many young sorcerers begin to support the group and even some Lords who are dissatisfied with the church itself. Cathedral City, lacking in both military and human resources due to the years of food shortages and bribery, is revealed to be weak.

991

World Inside - Chronology

Blue Revolt occurs. Cathedral City announces a major waterway renovation project and construction begins

A large-scale rebellion by the Blue Clan breaks out in the Cathedral City (Blue Revolt). However, the Blue Clan is destroyed overnight by the government and the Church's massive use of sealing magic throughout the city, at the cost of many sacrifices: 80% of the citizens living in the two sections of the city that were dedicated as catalysts for the sealing magic died. Those who survived also suffered from ego collapse and delirium, and all of them were buried alive.

993

World Inside - Chronology

After the Blue Rebellion, the number of applicants for full-time mages who are approved by the Academy of Magic has plummeted. They became more dependent on the government, the Church, and the lords with their armies.

Independent magic research, funded by the lords, spread rapidly. The position of the Academy of Magic and the Church became even more unstable.

994

World Inside - Chronology

Finally, there are no more heads of witchcraft academies from the lords in various regions. Although they were able to achieve independence, they lost all support from their lords, and ironically, they continued to decline. Research in the field of magic became active. As a result, the balance of magic power in Europe as a whole became unstable.

995

World Inside - Chronology

Cathedral City is ruined

An unprecedented large-scale accident occurs at the Central Magic Institute in a Cathedral City. It is said that it was a chanting mistake by a female mage during the activation of secret magic, but the details of the accident are unknown. It was later discovered that the dust from the explosion looked like a giant flower covering the night sky. The impact of the accident on the entire city was so severe that only people disappeared from the Cathedral City and it was abandoned overnight. No major damage was done to the buildings.