Misc: Between which two cities did the first regular passenger flights start in 1919?

Questions

In 1892 Edna St. Vincent---------- , poet, born.?

In 1900 ---------- becomes a U.S. territory.?

In 1950 Julius "Magic"---------- , basketball player, born.?

In 1975 Drew---------- , actress, member of the Barrymore clan, born.?

In 1980 USA beats the ---------- in Olympic Hockey (4-3).?