Short answers, pulled from the story.
Christianity was executed by Roman authorities in the year 33 when Jesus of Nazareth was crucified in the province of Judaea. This event marked the beginning of the movement that would eventually conquer the Roman Empire.
Emperor Constantine I issued the Edict of Milan in 313 AD to decriminalize Christianity and allow it to operate openly. This decree transformed the church from a persecuted sect into a wealthy institution capable of owning land and soliciting donations from the rich.
The East-West Schism took place in 1054 and divided the Latin Church of Western Christianity, now the Catholic Church, from the Eastern Orthodox Church. This division was driven by disputes over papal supremacy, liturgical practices, and administrative authority.
Martin Luther posted his Ninety-five Theses in 1517 to challenge the sale of indulgences and spark a movement that would shatter the unity of Western Christendom. This event led to the creation of Protestantism and the establishment of national churches like the Church of England.
The New Testament contains four canonical gospels: Matthew, Mark, Luke, and John. These texts chronicle Jesus' life, teachings, death, and resurrection and form the basis of Christian theology.
Christianity became the official state religion of the Roman Empire in 380 AD under Emperor Theodosius I. This status shaped Western civilization for the next millennium and established Christianity as the dominant faith.