Calendar dating history of

Do you have a question about history? Send us your question at history time. Though there are a few frequently cited inflection points in that history—recorded instances of particular books using one system or another—the things that happened in the middle, and how and when new systems of dating were adopted, remain uncertain. Systems of dating before B. For example, the Romans generally described years based on who was consul, or by counting from the founding of the city of Rome. So Anno Domini , the year of our Lord, is a very easy transition to make, as opposed to dating the year an emperor had reigned in Rome.

A calendar is a system of organizing days for social, religious, commercial or administrative purposes. This is done by giving names to periods of time , typically days , weeks , months and years. A date is the designation of a single, specific day within such a system. A calendar is also a physical record often paper of such a system.

The original goal of the Gregorian calendar was to change the date of Easter. This concerned Gregory because it meant that Easter, traditionally observed on March 21, fell further away from the spring equinox with each passing year. The Julian calendar included an extra day in February every four years.

This designation, it is claimed, is nothing more than an attempt to "remove Christ from the calendar" in keeping with the "subversive" effects of political correctness. The use of this designation in dating has nothing to do with "removing Christ from the calendar" and everything to do with accuracy when dealing with historical events. Hourglass by iStockPhoto.