rebelled against the government of Ioannis Kapodistrias in 1831, and became definitively part of the independent Kingdom of Greece in 1832, with the Treaty of Constantinople. Santorini joined an insurrection that had broken out in Nafplio on 1 February 1862 against the rule of King Otto of Greece. However, the royal authorities was able to quickly restore control and the revolt had been suppressed by 20 March of that year. However the unrest arose again later in the year which lead to the 23 October 1862 Revolution and the overthrow of King Otto. World War II During the Second World War, Santorini was occupied in 1941 by Italian forces and then by the Germans following the Italian armistice in 1943 . In 1944, the German garrison on Santorini was raided by a group of British Special Boat Service Commandos, killing most of its men. Five locals were later shot in reprisal, including the mayor. Post-war In general the island's economy continued to decline following World War II with a number of factories closing as a lot of industrial activity relocated after to Athens. In an attempt to improve the local economy the Union of Santorini Cooperatives was established 1947 to process, export and promote the islands agriculture products, in particular its wine. In 1952 they constructed near the village of Monolithos what is today the island's only remaining tomato processing factory. The island's tourism in the early 1950s generally took the form of small numbers of wealthy tourists on yacht cruises though the Aegean. The island's children would present arriving passengers with flowers and bid them happy sailing by lighting small lanterns along the steps from Fira down to the port, offering them a beautiful farewell spectacle. Once such visitor was the actress Olivia de Havilland who visited the island in September 1955 at the invitation of Petros Nomikos. In the early 1950s the shipping magnate Evangelos P. Nomikos and his wife Loula decided to support their birthplace and so asked residents to choose whether they wanted the couple to pay for the construction of either a hotel or a hospital, to which local authorities replied that they would prefer a hotel. As a result in 1952, the Nomikos' commissioned the architect Venetsanos to undertake the design and paid for the construction of the Hotel Atlantis, which was at the time the most glamorous hotel in the Cyclades. In 1954,