Dubris Dubris Dubris, also known as Portus Dubris and Dubrae, was a port in Roman Britain on the site of present-day Dover, Kent, England. As the closest point to continental Europe and the site of the estuary of the Dour, the site chosen for Dover was ideal for a cross-channel port. The Dour is now covered over for much of its course through the town. In the Roman era, it grew into an important military, mercantile and cross-channel harbour and - with Rutupiae - one of the two starting points of the road later known as Watling Street. It was fortified
Roman numerals die) are known as a quincunx, from the name of the Roman fraction/coin. The Latin words ' and ' are the source of the English words "sextant" and "quadrant". Other Roman fractional notations included the following: A number of systems were developed for the expression of larger numbers that cannot be conveniently expressed using the normal seven letter symbols of conventional Roman numerals. One of these was the "apostrophus", in which 500 (usually written as "") was written as |, while 1,000, was written as | instead of "". This is a system of encasing numbers to denote thousands (imagine