Misc: in greek mythology who was the only mortal gorgon?

Questions

In 1920 (Geneva, Switzerland) China and ---------- added to Leauge of Nations ?

In 1485 Catherine of---------- , first wife of Henry VIII, born. ?

In 1689 ---------- Parliament adopts Bill of Rights after Cromwell's Revolution. ?

In 1770 Ludwig von ---------- (in Bonn, Germany), composer, born. ?

In 1773 Big Tea Party in Boston Harbor. Indians welcome. ---------- unwelcome. ?