Question: When did the branch of the military that Thomas Shaw belonged to invade Saint Barthélemy?

full_context: Document 1: Alfred Anderson (veteran): Alfred Anderson (25 June 1896 – 21 November 2005) was a Scottish joiner and veteran of the First World War. He was the last known holder of the 1914 Star (the Old Contemptibles), the last known combatant to participate in the 1914 World War I Christmas truce, Scotland's last known World War I veteran, and Scotland's oldest man for more than a year.
Document 2: Norfolk Island: Norfolk Island has 174 native plants; 51 of them are endemic. At least 18 of the endemic species are rare or threatened. The Norfolk Island palm (Rhopalostylis baueri) and the smooth tree-fern (Cyathea brownii), the tallest tree-fern in the world, are common in the Norfolk Island National Park but rare elsewhere on the island. Before European colonization, most of Norfolk Island was covered with subtropical rain forest, the canopy of which was made of Araucaria heterophylla (Norfolk Island pine) in exposed areas, and the palm Rhopalostylis baueri and tree ferns Cyathea brownii and C. australis in moister protected areas. The understory was thick with lianas and ferns covering the forest floor. Only one small tract (5 km2) of rainforest remains, which was declared as the Norfolk Island National Park in 1986.
Document 3: Louis de Cazenave: Following the death of de Cazenave, Italian native Lazare Ponticelli became the last officially recognized French veteran of the First World War, until his own death on March 12, 2008. Two further French veterans, Fernand Goux and Pierre Picault, died later in 2008, but neither was officially recognised as the last French veteran of the war by the government of France because they served fewer than three months.
Document 4: Saint Barthélemy: Agricultural production on the island is difficult given the dry and rocky terrain, but the early settlers managed to produce vegetables, cotton, pineapples, salt, bananas and also fishing. Sweet potato is also grown in patches. The islanders developed commerce through the port of Gustavia. Duty-free port attractions, retail trade, high-end tourism (mostly from North America) and its luxury hotels and villas have increased the island's prosperity, reflected in the high standard of living of its citizens.
Document 5: Thomas Shaw (World War I veteran): Thomas Shaw (June 1899 – 2 March 2002) was the last known Irish World War I British Army veteran. He served in the Royal Irish Rifles after joining up in 1916 and fought in battles such as Passchendaele.
Document 6: Legends of the coco de mer: Nut and tree of the coco de mer, a rare species of palm tree native to the Seychelles archipelago in the Indian Ocean, is the subject of various legends and lore. Coco de mer is endemic to the Seychelles islands of Praslin and Curieuse. Before the Seychelles were discovered and settled, nuts of this species were sometimes carried by the ocean currents to distant shores, such as those of the Maldives, where the tree was unknown. These floating nuts did not germinate. The exceptional size and suggestive form of the nut, the circumstances of its discovery, and some unusual qualities of the trees have given rise to several legends.
Document 7: Saint Barthélemy: As the terrain is generally arid, the hills have mostly poor soil and support only cacti and succulent plants. During the rainy season the area turns green with vegetation and grass. The eastern part of the island is greener as it receives more rainfall. A 1994 survey has revealed several hundred indigenous species of plants including the naturalized varieties of flora; some growing in irrigated areas while the dry areas are dominated by the cacti variety. Sea grapes and palm trees are a common sight with mangroves and shrubs surviving in the saline coastal swamps. Coconut palm was brought to the island from the Pacific islands. Important plants noted on the island are:
Document 8: Saint Barthélemy: Saint-Barthélemy has a marine nature reserve, known as the Reserve Naturelle that covers 1.200 ha, and is divided into 5 zones all around the island to form a network of protected areas. The Reserve includes the bays of Grand Cul de Sac, Colombier, Marigot, Petit Cul de Sac, Petite Anse as well as waters around offshore rocks such as Les Gross Islets, Pain de Sucre, Tortue and Forchue. The Reserve is designed to protect the islands coral reefs, seagrass and endangered marine species including sea turtles. The Reserve has two levels of protection, the yellow zones of protection where certain non-extractive activities, like snorkeling and boating, are allowed and the red zones of high protection where most activities including SCUBA are restricted in order to protect or recover marine life. Anchoring is prohibited in the Reserve and mooring buoys are in place in some of the protected bays like Colombier
Document 9: List of last World War I veterans by country: This is a list of the last World War I veterans to die by country. The last living veteran of World War I (4 February 1914 -- 11 November 1918) was Florence Green, a British citizen who served in the Allied armed forces, and who died 4 February 2012, aged 110. The last combat veteran was Claude Choules who served in the British Royal Navy (and later the Royal Australian Navy) and died 5 May 2011, aged 110. The last veteran who served in the trenches was Harry Patch (British Army) who died on 25 July 2009, aged 111. The last Central Powers veteran, Franz Künstler of Austria - Hungary, died on 27 May 2008 at the age of 107.
Document 10: Ramire Rosan: Ramire Rosan (14 April 1895 – 24 May 2004) was the last World War I veteran from the overseas departments and territories of France. Grandson of a slave, he was born in Morne-à-l'Eau, Guadeloupe, where he was cultivating sugar cane. Mounted gendarmes came to pick him up and sent him immediately to a base, he was enlisted to the twenty-third regiment of the colonial infantry. In July 1916 he took part in the Battle of the Somme, where he was gassed.
Document 11: Saint Barthélemy: Marine mammals are many, such as the dolphins, porpoises and whales, which are seen here during the migration period from December till May. Turtles are a common sight along the coastline of the island. They are a protected species and in the endangered list. It is stated that it will take 15–50 years for this species to attain reproductive age. Though they live in the sea, the females come to the shore to lay eggs and are protected by private societies. Three species of turtles are particularly notable. These are: The leatherback sea turtles which have leather skin instead of a shell and are the largest of the type found here, some times measuring a much as 3 m (average is about 1.5 m) and weighing about 450 kg (jellyfish is their favourite diet); the hawksbill turtles, which have hawk-like beaks and found near reefs, generally about 90 cm in diameter and weigh about 60 kg and their diet consists of crabs and snails; and the green turtles, herbivores which have rounded heads, generally about 90 cm in diameter and live amidst tall sea grasses.
Document 12: List of last World War I veterans by country: This is a list of the last World War I veterans to die by country. The last living veteran of World War I (28 July 1914 -- 11 November 1918) was Florence Green, a British citizen who served in the Allied armed forces, and who died 4 February 2012, aged 110. The last combat veteran was Claude Choules who served in the British Royal Navy (and later the Royal Australian Navy) and died 5 May 2011, aged 110. The last veteran who served in the trenches was Harry Patch (British Army) who died on 25 July 2009, aged 111. The last Central Powers veteran, Franz Künstler of Austria - Hungary, died on 27 May 2008 at the age of 107.
Document 13: Wallace Pike: Wallace Pike (22 December 1899 – 11 April 1999) was the last known Newfoundland World War I veteran. He enlisted as a volunteer in the Royal Newfoundland Regiment as an underage soldier. He saw action on the Western Front as a stretcher-bearer where he was wounded twice, once in the leg and once in the hand. At the end of his military service, he held the rank of private. He was honored by Newfoundland Premier Brian Tobin as a veteran who "represented what would later become a Canadian tradition in times of conflict - that of humanitarian and life-saver". France awarded Pike its highest accolade, The Legion of Honour. The award was commemorated in 1998 by French Ambassador Denis Bauchard who praised Pike saying, "Through your courage you sealed forever the eternal bonds of friendship, solidarity and affection between our two countries." Wallace Pike died on April 11, 1999, aged 99 – just one month after the deaths of Newfoundland World War I veterans John Brinson and Alexander White.
Document 14: Saint Barthélemy: Other trees of note include the royal palm, sea grape trees in the form of shrubs on the beaches and as 5 to 7 m trees in the interior areas of the island, aloe or aloe vera (brought from the Mediterranean), the night blooming cereus, mamillaria nivosa, yellow prickly pear or barbary fig which was planted as barbed wire defences against invading British army in 1773, Mexican cactus, stapelia gigantea, golden trumpet or yellow bell which was originally from South America, bougainvillea and others.
Document 15: Robert Meier: In October 2006, Robert Meier met then 110-year-old Henry Allingham, the oldest living British World War I veteran, in his hometown. France's oldest veteran ever, 111-year-old Maurice Floquet, sent his regards, but could not attend, because he was too frail to travel. Floquet subsequently died on the eve of Armistice Day, November 10, 2006.
ground_truth: 1773
sub_queries: Thomas Shaw >> military branch Answer: British Army
When did British Army invade the island? Answer: 1773