UnScramble this Word: a l i d l a g r?

Questions

In 1967 Vivian Leigh ---------- in Gone with the Wind, dies at 53. ?

In 1967 Vivian Leigh Scarlet in Gone with the Wind, dies at ---------- ?

In 1976 ---------- goes into orbit around Mars. ?

In 1976 Viking 2 goes into orbit around---------- . ?

In 1978 ---------- gains independence from Britain (National Day). ?