Giacomo Casanova was from the Republic of Venice.
Giacomo Casanova . His autobiography , Histoire de ma vie ( Story of My Life ) , is regarded as one of the most authentic sources of the customs and norms of European social life during the 18th century . Histoire de ma vie . Although Casanova was Venetian ( born April 2 , 1725 , in Venice , died June 4 , 1798 , in Dux , Bohemia , now Duchcov , Czech Republic ) , the book is written in French , which was the dominant language in the upper class at the time .