Misc: on which planet, other than earth, did a manmade object first land?

Questions

In 1850 ---------- founded. ?

In 1858 Rudolf---------- , invented an engine, born. ?

In 1881 Barnum and Bailey's ---------- opens in Madison Square Garden in New York City. ?

In 1892 At a banquet through a letter Lord ---------- presents the idea of a silver cup challenge for Hockey (Stanley Cup) The cup cost $50. ?

In 1909 First broadcast by a 'ham' operator -- Einar ---------- of Denmark. ?