So, today, many historians believe we are some time around 1200 AD.
I had heard about this many years ago. It is an interesting theory that more people should look into. I don't necessarily think it is true. But search for truth should be about verification rather than considering opinions; whether it is expert opinion or otherwise.
A theory you might be interested in:
!PIZZA
!LUV
!CTP
RE: If We Only Had Accurate History, There Would Be No Conspiracy Theories