Dover Shakespeare's "King Lear" (between 1603 and 1606), in which the town and its cliffs play a prominent role. Archaeological finds have shown that there were Stone Age people in the area, and that some Iron Age finds also exist. During the Roman period, the area became part of the Roman communications network. It was connected by road to Canterbury and Watling Street and it became "Portus Dubris", a fortified port. Dover has a partly preserved Roman lighthouse (the tallest surviving Roman structure in Britain) and the remains of a villa with the only preserved Roman wall painting outside Italy. Dover
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