Misc: Who played John Candy's obnoxious brother-in-law in 'The Great Outdoors'?

Questions

In 1785 ---------- French balloonists die in world's 1st fatal aviation accident.?

In 1843 Edvard---------- , Bergen Norway, composer, born.?

In 1851 Jacob---------- , Baltimore dairyman, sets up 1st ice-cream factory.?

In 1869 Celluloid patented by John Wesley---------- , Albany, NY.?

In 1924 Ford Motor Company manufactures its ---------- millionth automobile.?