UnScramble this Word: l s i s e v p o?

Questions

In 1962 NASA civilian pilot Neil A ---------- takes X-15 to 54,600 m?

In 1963 Beatles receive their 1st ---------- disc (Please Please Me)?

In 1971 Mount ---------- erupts in Sicily Italy?

In 1976 Harold ---------- resigns as British PM.?

In 1986 Record for a throw-and-return ---------- toss is set (121m)?