A video lecture helping you learn the difference between BC, BCE, AD and CE. The video also discusses a little bit about the birth of Jesus as well in regards to calendar notation. [9:41]

Correcting the time difference calculation by taking into account that there is no year 0. [4:12]

The medieval calendar served as a map of the Church year and featured illustrations of saints, feasts, monthly labors, leisure activities, and signs of the zodiac. In this video [4:29] learn how to read a medieval calendar, and discover...

This video explains the difference between BC, BCE, AD, and CE and a little bit about the birth of Jesus as well. [9:40]