In 1515, Leonardo probably traveled to Bologna, to attend
the peace talks between the Pope and the new king of France, Francis
I. Upon attaining the throne, Francis I had conquered Milan, and
the Medici family was eager to make him an ally. As a peace offering, Leonardo
constructed a mechanical lion, symbolizing Florence: the lion was
able to walk a few paces, and then a trapdoor in his chest opened
up to reveal a fleur-de-lis, symbol of France. The new King was
impressed.
Commentary
Leonardo was probably not very happy in Rome. Although Giuliano
de Medici held Leonardo in high esteem, it is not clear whether
the pope or his court granted him much appreciation. After all,
they seemingly believed the ridiculous claims of a mere engineering
assistant, that Leonardo was interested in necromancy, or the conjuring
of the recently dead. Moreover, the pope may have had greater
interest in other artists in Rome at the time, such as Michelangelo.
This period, like those before it, again sees Leonardo
at a remarkable level of productivity. He was a consultant in
numerous architectural and hydraulic projects. By this time, he
was about sixty years old, yet he was full of pranks and was ready
to study things that he had never seriously approached before,
such as the properties of mirrors.