An economic and monetary union is a single market with a common currency. It is to be distinguished from a mere monetary union (e.g. the Latin Monetary Union in the 1800s), which does not involve a single market. The only economic and monetary union at present is the European Union.
... diplomat, winner of the Nobel Peace Prize
April 16 - Fifi D'Orsay, actress (+ 1983)
April 22 - Robert Oppenheimer, physicist (+ 1967)
May 6 - Harry Martinson, ...