stuff
Probably stolen by politicians.
As a formal acronym, it just doesn't. BC is commonly used as meaning Before Christ. BC could of course stand for billion centuries, but there is no common usage of that term.
4.5 billion BC
BC Racers happened in 1994.
The Peloponnesian War.
Aristotle's life.
800 bc greece
BC Legislature Raids happened in 2008.
3/3 of a billion = billion
many wars happened across grecce
Nothing serious happened in the year 10 bc