The ghetto was most prosperous towards the end of the 16th century when the Jewish Mayor, Mordecai Maisel, became the Minister of Finance and a very wealthy man. His money helped develop the ghetto. In 1850, the quarter was renamed "Josefstadt" (Joseph's City) after Joseph II, Holy Roman Emperor who emancipated Jews with the Toleration Edict in 1781.
This system mainly functions from the 11th to the 20th century: il Quattrocento (that is “the four hundred”, the 15th century) il Cinquecento (that is “the five hundred”, the 16th century). These terms are often used in other languages when referring to the history of Italy. Similar dating units in other calendar systems