UnScramble this Word: r s e s n l h o?

Questions

In 1990 Saddam says ---------- will be Iraq's 1st target. ?

In 1991 Mikhail ---------- resigns as head of the Soviet Union. ?

In 1492 1st Spanish settlement in New World founded by ---------- ?

In 1792 Charles---------- , English inventor (calculating machine), born ?

In 1952 Jimmy---------- , tennis player, born ?