Monaco–United States relations the First World War. From 1956 until her death in 1982, the American-born Grace Kelly was married to Prince Rainier III. They made their first official visit to the United States in 1956. Until 2006 Monaco's only career Consul-General (Maguy Maccario Doyle in 2006) operated out of New York, but directed all the Honorary Consuls in placements worldwide. In December 2006, the United States and Monaco upgraded from consular to full diplomatic relations. Shortly thereafter, Craig Stapleton (ambassador to France) was accredited to Monaco, and ambassador Gilles Noghes became the first Monegasque ambassador to the United States. In 2009 Stapleton
Louis II, Prince of Monaco Mussolini. In 1943, the Italian Army invaded and occupied Monaco. Shortly thereafter, following Mussolini's collapse in Italy, the German army occupied Monaco and began the deportation of the Jewish population. Among them was René Blum, founder of the Opera, who died in Auschwitz, a Nazi concentration camp. Under Prince Louis' secret orders, the Monaco police, often at great risk to themselves, warned people in advance that the Gestapo was about to arrest them. However, throughout the War, Prince Louis' vacillation caused an enormous rift with his grandson Rainier, the heir to the throne, who strongly supported the Allies against the