Dating letters bce
CE and BCE are notations that are not based on religion or myth. The AD/BC notation was first proposed by the monk Dionysius Exiguus (Dennis the Little) in the year 525 CE.He used it to identify the years in the Easter tables that he prepared.
The abbreviations are sometimes written with small capital letters, or with periods (e.g., " Several languages other than English also have both religious and non-religious ways of identifying the era used in dates. (nach Christus/Christi Geburt, after Christ/the Nativity of Christ).
The great early astronomer Kepler dated that eclipse to 4 BCE.
Most historians now place Herod's death as during 4 BCE.
The German Democratic Republic (1949–1990) introduced the convention of v.
There are many religious calendars in existence, but each is normally in use in one region of the world -- typically by followers of a single religion.