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
Prince Ernst August of Hanover (born 1954) retain her claim to the throne of Monaco and to transmit succession rights to future offspring, the couple were also obliged to obtain the approval of yet a third nation, in the form of official consent to the marriage of Caroline's father, Prince Rainier III as the sovereign of Monaco. Nonetheless, Caroline was a Roman Catholic and Ernst August the heir male of George III when the couple wed, at which time a provision of the Act of Settlement 1701 stipulated that in the event the British crown is to devolve upon an heir married to "a Papist", that heir