- arrested by the Venetian Inquisition and locked up in the infamous Piombi prison, from which no one ever left alive, nor had there ever been an escape--until Casanova, who spent months digging a tunnel, at the end of which he lowered himself, by ropes and sheets, onto a gondola
- after fleeing Venice while in Paris, he helped establish a lottery to finance the École militaire; Napoleon Bonaparte was one of its first students, who conquered Venice several years later
- an advisor to Catherine the Great (she was not one of his conquests though)
- he was a prolific writer, whose works include a five-volumne science-fiction novel (Icosameron, 1788)
the author is Laurence Bergreen and the post is excerpted from his recently published biography of Casanova.