#FamilyIsEverything. APL = 5.55/10 *Authorized conspiracy theorist *Not an authorized preacher.
They changed the calendar from Before Christ (B.C.) to Anno Domini (A.D.).
Anno Domini is a label for numbering years after Christ was born.
The B.C./A.D. system was invented by a monk named Dionysius Exiguus.
Took more than 1000 years for the world to assimilate.
A bogus 1000 would certainly explain the Middle Ages aka known as the 'Dark Ages' do to lack of historical information.
