Question

how is the first century of the common era written?

Answer 1

The 1st century was the century that lasted from AD 1 to AD 100 according to the Julian calendar. It is often written as the 1st century AD or 1st century CE to distinguish it from the 1st century BC (or BCE) which preceded it. The 1st century is considered part of the Classical era, epoch, or historical period.

Answer 2

The first century of the common era is written as 1-100 AD.