I'm trying to make a timeline of significant inventions, but I can't figure out how to enter a date before 0 AD. I tried "-150", "-0150", "150 BCE", and "150 BC", and none of them worked.
I'm trying to make a timeline of significant inventions, but I can't figure out how to enter a date before 0 AD.
I tried "-150", "-0150", "150 BCE", and "150 BC", and none of them worked.