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
Honoré IV, Prince of Monaco Honoré IV married Louise Félicité Victoire d'Aumont, Duchess of Aumont, Duchess Mazarin and of La Meilleraye on 15 July 1777 in Paris. They divorced in 1798. They had two sons: During the French occupation of Monaco, Honoré IV was imprisoned for several years. Illnesses resulting from this imprisonment incapacitated Honoré IV in his later years, and following the re-establishment of the Principality a regency was established to rule in Honoré's name. This regency was directed, first, by his brother Joseph Grimaldi, then from 1815 by his son, the Hereditary Prince Honoré who succeeded him in 1819 as Sovereign Prince Honoré