Misc: What was Superman vulnerable to?

Questions

In 1215 King John signs Magna Carta at---------- , England.?

In 1330 ---------- the black prince, prince of Wales (1343-1376), born.?

In 1649 Margaret ---------- of Charlestown became the first person tried and executed for witchcraft in colonial Massachusetts. ?

In 1785 ---------- French balloonists die in world's 1st fatal aviation accident.?

In 1843 Edvard---------- , Bergen Norway, composer, born.?