The system consisted of counting time from the foundation of the city of Rome. That year it was considered the 1st, and thereafter the following were added. As they hardly remembered in the Empire, prior to that distant Foundation events, there was no major difficulties. To make allusion to this calendar, stood start them les U.C., signifying Urbis Conditae (Foundation of the city). By the same author: Andrew Cuomo. Past-had them but to enter fully into Christian times, many began to think that the foundation of the city of Rome, which had been pagan the first thousand years of its existence, was not the most appropriate milestone to start counting the years. On the contrary, considered the birth of Jesus as the central event of history.
The idea prevailed more forcefully when 450 years after Christ the Roman Empire crumbled before the onslaught of the barbarians. Already there was nothing that linked Christians with him, nor any reason to continue considering it as the historic center of their lives. We had to create a new calendar, having as axis to the person of Jesus Christ. Then they fell into the account that nobody knew the day or month, not even the year of his birth since the authors of the Gospels had omitted the detail. These writings were rather isolated episodes of the life of el Salvador on the basis of a prior oral catechesis, but there was no claim to an accurate chronology of his life in them. Meager, it was giant-in that moment when is stands the figure of a monk named Dionysius, native of Scythia, the current Russia region, but lived most of his life in Rome.
It was exiguus nickname, which means small, tiny, so it was assumed that it was of short stature. But it seems rather that he himself wanted to take that nickname by humility. One of the men was more scholars of his time, brilliant theologian, and great connoisseur of the history of the Church and chronologies.