He later became known as the Venerable Bede after he was declared “venerable”, the first stage of canonization (sainthood) by the Roman Church about 100 years after his death (he was later canonized to “Saint” in 1899).

In his attempt to wipe out illiteracy, particularly among the clergy, he established schools and monasteries throughout his kingdom.

His emphasis on the classic early works ushered in a new renaissance of learning.

But it is the Christian era, counting 'the years of the Lord' from the birth of Christ, that is now ubiquitous in business, politics and historical writing.

In that system, it is 2009 - but should one say ad 2009 or, as is increasingly common among scholars, 2009 CE - 2009 of the 'Common Era'?

Without his writings that could be found in libraries all across Western Europe, the early period of English Christianity would have remained relatively unknown.

Bede was also familiar with the work of Dionysius, which undoubtedly had some influence on his own scientific works.His first official act was to condemn the pope’s attempted usurpers to death for treason.Charlemagne was also very passionate about religious education. In part 4, we look at the historical events that led to its acceptance by Christendom, the church-state relationship between the papacy and the Roman political leaders, and the development of alternative naming conventions to the system.You may click on the “[TOC]” links to return to the Calendar Systems Table of Contents.He wrote extensively of astronomy and the calendar, including methods of calculating the Easter holy day.