Misc: Whose patron is St Rose of Lima?

Questions

In 1783 Joseph Jaques ---------- becomes the first to fly (10 minute) in a hot-air balloon.?

In 1833 Ada ---------- (future first computer programmer) meets Charles Babbage.?

In 1849 ---------- becomes a constitutional monarchy.?

In 1875 Pacific ---------- formally opens.?

In 1883 John Maynard ---------- (in Cambridge, England), another economist, born.?