paragraph_text: Operation Archery, also known as the Måløy Raid, was a British Combined Operations raid during World War II against German positions on the island of Vågsøy, Norway, on 27 December 1941.

paragraph_text: In 1091, Roger invaded Malta and subdued the walled city of Mdina. He imposed taxes on the islands, but allowed the Arab governors to continue their rule. In 1127 Roger II abolished the Muslim government, replacing it with Norman officials. Under Norman rule, the Arabic spoken by the Greek Christian islanders for centuries of Muslim domination became Maltese.

paragraph_text: Skyros Island National Airport () is an airport serving the island of Skyros in Greece. It is located 17 km northwards from the town of the island (also called Skyros), in an area called Trachi. It opened in 1984 and since then it operates as a civil airport.

paragraph_text: Other innovations in the Caddo - Pine Island Field included the first over-water oil platform, which was constructed in the field on Caddo Lake in 1910. In that same year, a major oil pipeline was constructed from Caddo - Pine Island Field to a refinery built and operated by Standard Oil Company of Louisiana in Baton Rouge, Louisiana. The refinery continues to operate today.

paragraph_text: The THUMS Islands or Astronaut Islands are a set of four artificial islands in San Pedro Bay off the coast of Long Beach, California. They were built in 1965 to tap into the East Wilmington Oil Field. The landscaping and sound walls were designed to camouflage the operation and reduce noise, and they are the only decorated oil islands in the United States.

paragraph_text: The Rhode Island Urban Debate League (RIUDL) is an American urban debate league located in Rhode Island. It operates as a community partnership program between Brown University's Howard R. Swearer Center for Public Service and the Rhode Island high schools with which RIUDL is affiliated.

paragraph_text: Palawan Island, between Borneo and Mindoro, the fifth largest and western-most Philippine Island, was invaded on 28 February with landings of the Eighth Army at Puerto Princesa. The Japanese put up little direct defense of Palawan, but cleaning up pockets of Japanese resistance lasted until late April, as the Japanese used their common tactic of withdrawing into the mountain jungles, dispersed as small units. Throughout the Philippines, U.S. forces were aided by Filipino guerrillas to find and dispatch the holdouts.

paragraph_text: Window Island is a small ice-free island off the north coast of Ray Promontory in the northwest of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica. The island has a surface area of and rises to . It was known to the early 19th century sealers operating on Byers Peninsula.

paragraph_text: 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.

paragraph_text: The Soviet invasion of Poland was a Soviet military operation that started without a formal declaration of war on 17 September 1939. On that morning, 16 days after Germany invaded Poland from the west, the Soviet Union invaded Poland from the east. Subsequent military operations lasted for the following 20 days and ended on 6 October 1939 with the two - way division and annexation of the entire territory of the Second Polish Republic by both Germany and the Soviet Union. The joint German - Soviet invasion of Poland was secretly agreed to following the signing of the Molotov - Ribbentrop Pact on 23 August 1939.

paragraph_text: Lynx Rocks is a group of rocks in southwestern Hero Bay on the north side of Livingston Island in the South Shetland Islands, Antarctica. The area was visited by early 19th century sealers operating from nearby Blythe Bay.

paragraph_text: FaroeJet was an airline based in Vágar Airport on the island of Vágar of Faroe Islands. It was the second airline of Faroe Islands, the other one being Atlantic Airways. The airline ceased all operations on December 15, 2006, because of financial problems.

paragraph_text: Currituck Island () is an island in Antarctica long marked by numerous small coves, lying on the northwest side of Edisto Channel in the Highjump Archipelago. It was mapped from air photos taken by U.S. Navy Operation Highjump in February, 1947, and named by the Advisory Committee on Antarctic Names in 1956 after the USS "Currituck", a seaplane tender and flagship of the western task group of U.S. Navy Operation Highjump, Task Force 68, 1946–47. At that time, the northern portion was thought to be a separate feature and was named "Mohaupt Island," but subsequent Soviet Expeditions (1956–57) found that only one large island exists.

paragraph_text: Motherway Island is a small rocky island about north of Peterson Island, near the south end of the Windmill Islands of Antarctica. It was first mapped from aerial photographs taken by U.S. Navy Operation Highjump in February 1947, and was named by the Advisory Committee on Antarctic Names for Paul T. Motherway, a member of one of the two Operation Windmill photographic units which obtained aerial and ground photographic coverage of this area in January 1948.

paragraph_text: The Shorts Blowpipe is a man-portable surface-to-air missile that was in use with the British Army and Royal Marines from 1975. It was superseded by an interim design, Javelin, and later the greatly improved Starstreak.

paragraph_text: Henfield Rock is an offshore rock lying northwest of Robert Island in the South Shetland Islands, Antarctica. It was known to the early 19th century sealers operating from nearby Clothier Harbour, and sometimes included under the name 'Powels Islands' or 'Heywood Islands'.

paragraph_text: The 1999 Russian bombing of Chechnya was Russian Air Force's military operation against the Chechen Republic of Ichkeria that was a prelude to the main part of the Second Chechen War. In late August and September 1999, Russia mounted a massive air campaign over Chechnya, with the stated aim of wiping out militants who invaded Dagestan the previous month.

paragraph_text: Indian Rocks is a group of rocks in eastern Hero Bay on the north side of Livingston Island in the South Shetland Islands, Antarctica. The area was visited by early 19th century sealers operating from Blythe Bay.

paragraph_text: In total, French losses were 12 ships captured or destroyed and over 2,000 men drowned. The Brest fleet was so badly damaged by the operation that they launched no major operations during 1797 and were unable to respond when the British fleet was paralysed by the Spithead Mutiny a few months later. A second French attempt to invade Ireland was launched in the summer of 1798, in response to the Irish Rebellion, but this too ended in disaster: all of the men landed were captured a few weeks later at the Battle of Ballinamuck. A third and final invasion effort was defeated and destroyed by a British squadron at the Battle of Tory Island in October 1798.

paragraph_text: Cora Cove is the 750 m wide cove in the northwest part of Blythe Bay indenting for 590 m the southeast coast of Desolation Island off Livingston Island in the South Shetland Islands, Antarctica. The cove was used by early 19th century sealers operating from Blythe Bay.

Question: When did the operator of Blowpipe invade the island?
Answer: 1773