Before Christ
On a Christian calendar, it's "before Christ".
Before Christ
It means Before Christ
Cupid (Roman god of desire) dates from about 800 BC. But the ancient gods were not given dates on the Julian calendar.
The calendar used in Rome from 45 BC through AD 1581 is the Julian Calendar, which was introduced by Julius Caesar in 46 BC.
The Mayan Long Count calendar started on the 11th of August, 3114 BC. The date 3372 BC predates the start of the Long Count calendar by about 240 years. Therefore, there are no specific facts about the first day of the Mayan calendar in 3372 BC.
Hebrew Calendar.
The Julian Calendar was created by Julius Caesar. It was introduced in 46 BC. The calendar began to be used on January 1, 45 BC, and was used until replaced with the Gregorian Calendar in 1582.
In 45 BC.
Although the Julian calendar, which is extremely similar to the Gregorian calendar, the most popular calendar now, had been in use since it was introduced by Julius Caesar in 46 BC, the system that we use now for numbering the years of the Julian and Gregorian calendars was not introduced until AD 525, and it did not become widely popular until the 9th century.
Calendar dates are proper nouns, as are the days of the week. Year dates could be considered proper nouns, but it doesn't matter because they are numerals and the BC and AD are already capitalized.
Any coin with a "BC" date on it is a counterfeit. The common western calendar with dates expressed as "AD" and "BC" didn't come into use until many hundreds of years after Jesus was born.