UnScramble this Word: s s o a i?

Questions

In 1842 Dr C. Long first used ether as an ---------- during a minor operation.?

In 1853 Vincent---------- , artist who always lent an ear, born.?

In 1858 Hyman L. ---------- of Philadelphia patented a pencil with an attached eraser.?

In 1870 U.S. ---------- Amendment passes, guarantees right to vote regardless of race.?

In 1913 Frankie---------- , singer, born.?