NATO
In 1956, he was chosen by the Council of the North Atlantic Treaty Organisation to succeed Lord Ismay as Secretary General. He held this office from 1957 until 1961, when he was succeeded by Dirk Stikker. Spaak was also instrumental in the choice of Brussels as the new seat of the Alliance's HQ in 1966.
This was also the year of his last European campaign, when he played an important conciliatory role in resolving the "empty chair crisis" by helping to bring France back into the European fold. In 1957 he received the Karlspreis (engl.: Charlemagne Award) an Award by the German city of Aachen to people who contributed to the European idea and European peace.
On 21 February 1961, Spaak was presented with the Presidential Medal of Freedom by US President John Kennedy.
Read more about this topic: Paul-Henri Spaak