B.C is an abbreviation for 'Before Christ', used in the Gregorian Calendar (used widely around the world, including in the US, Canada and Britain) to refer to the era before the birth of Jesus Christ, the central Christian figure. While the use of B.C. is believed to originate with the Bede in the eight century, it only became popular in the modern era.
Increasingly replaced with B.C.E.
Also Known As: BC
The woman was born in 365 B.C.