Misc: Which is the largest Scandinavian country?

Questions

In 1803 Christian Doppler, discovered ---------- Effect (color shift) ?

In 1849 Sir Ambrose Fleming, inventor of the ---------- ?

In 1864 Colorado militia kills 150 peaceful ---------- Indians. ?

In 1887 U.S. receives rights to ---------- Harbor, on Oahu, Hawaii. ?

In 1922 King Tut's Tomb is discovered in---------- . ?