What is associated with: around 1709 cristofori became a key player in this new instruments history?

What is associated with: around 1668 isaac newton built the first reflecting one of these? What is associated with: around 1675 gian domenico cassini observed a dark gap in this planets main rings? What is associated with: around 1683 jules hardouin mansart completed this narcissistic versailles feature galerie des… What is associated with: around 1700 this a ships steering system was improved by adding a wheel? What is associated with: around 1714 he set the freezing point of water at 32 degrees the boiling point at 212? What is associated with: around 1720 bc the minoans were shaken up by this event that destroyed their palace at knossos? What is associated with: around 1720 this mississippi port became the capital of frances louisiana territory? What is associated with: around 1725 this great baroque composer wrote 6 english suites for harpsichord?