Misc: in which continent would you find the nile river?

Questions

In 1922 BBC began ---------- radio service. ?

In 1940 During WW II, German planes destroyed most of---------- , England. ?

In 1959 Kilauea Volcano's most spectacular ---------- (in Hawaii). ?

In 1972 ---------- Jones closes above 1,000 for first time (1003.16). ?

In 1973 Britain's Princess ---------- marries a commoner, Capt. Mark Phillips. ?