Up until 2011 virtually no trace of Roman occupation or influence had been found in Alderney. That all changed when one of the best-preserved Roman military structures in the world was found.
Contrary to to popular belief the Romans didn’t call Guernsey Sarnia. It is likely that the name they gave it was Lisia.
Anno Domini or “the year of our Lord” is the dating system we use in the West and is all but the de-facto world standard for chronology. But when and how was it calculated and what was in use prior to this dating system in western Europe ?