Misc: Who topped the charts with son of my father?

Questions

In 1986 Cary---------- , dies in Davenport, Iowa, at 82. ?

In 1939 The Soviet Union invades ---------- over a border dispute. ?

In 1966 Barbados gains independence from ---------- (National Day). ?

In 1967 South ---------- (then Aden) gains independence from Britain. ?

01 January 1975 Haldeman, Ehrlichman, Mitchell & Mardian convicted of ---------- crime ?