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: The Battle of Bataan (7 January -- 9 April 1942) represented the most intense phase of Imperial Japan's invasion of the Philippines during World War II. In January 1942, forces of the Imperial Japanese Army and Navy invaded Luzon along with several islands in the Philippine Archipelago after the bombing of the American naval base at Pearl Harbor. The commander - in - chief of all Filipino and American forces in the islands, General Douglas MacArthur, consolidated all of his Luzon - based units on the Bataan Peninsula to fight against the Japanese invaders. By this time, the Japanese controlled nearly all of Southeast Asia. The Bataan peninsula and the island of Corregidor were the only remaining Allied strongholds in the region. Despite a lack of supplies, Filipino and American forces managed to fight the Japanese for three months, engaging them initially in a fighting retreat southward. As the combined Filipino and American forces made a last stand, the delay cost the Japanese valuable time and prevented immediate victory across the Pacific. The surrender at Bataan, with 76,000 soldiers surrendering in the Philippines altogether, was the largest in American and Filipino military histories, and was the largest United States surrender since the American Civil War's Battle of Harper's Ferry. Soon afterwards, Filipino and American prisoners of war were forced into the Bataan Death March.

paragraph_text: Today Saint Helena has its own currency, the Saint Helena pound, which is at parity with the pound sterling. The government of Saint Helena produces its own coinage and banknotes. The Bank of Saint Helena was established on Saint Helena and Ascension Island in 2004. It has branches in Jamestown on Saint Helena, and Georgetown, Ascension Island and it took over the business of the St. Helena government savings bank and Ascension Island Savings Bank.

paragraph_text: Frederick Steele (January 14, 1819 – January 12, 1868) was a career military officer in the United States Army, serving as a major general in the Union Army during the American Civil War. He was most noted for his successful campaign to retake much of secessionist Arkansas for the Union cause.

paragraph_text: USS "Frederick Funston" (APA-89) was a that served with the US Navy during World War II. Before serving as a Navy APA, she had been the US Army transport USAT "Frederick Funston". After World War II, she was returned to the Army and operated as USAT "Frederick Funston". "Funston" was among the seventy-two ships transferred to the Navy's Military Sea Transportation Service (MSTS) in the 1 March 1950 group and placed in service as USNS "Frederick Funston" (T-AP-178).

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: 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: Lieutenant-General Sir Frederick Wellington John Fitzwygram, 4th Baronet (29 August 1823 – 9 December 1904) was a British Army cavalry officer, expert on horses and Conservative politician.

paragraph_text: The Long Beach Bridge is a drawbridge crossing Reynolds Channel, connecting Long Beach and Island Park, New York. There is no toll. The bridge starts in Long Beach as Long Beach Boulevard. At Barnum Island, the main road continues northeast as Austin Boulevard, while Long Beach Road branches to the north.

paragraph_text: Dennis Hart Mahan [məˈhæn] (April 2, 1802 – September 16, 1871) was a noted American military theorist, civil engineer and professor at the United States Military Academy at West Point from 1824-1871. He was the father of American naval historian and theorist Rear Admiral Alfred Thayer Mahan. Of his other four children, his son Frederick August Mahan also graduated from West Point in 1867.

paragraph_text: The Legislature of the Virgin Islands is the territorial legislature of the United States Virgin Islands. The legislative branch of the unincorporated U.S. territory is unicameral, with a single house consisting of 15 senators, elected to two-year terms without term limits. The territorial legislature meets in the capital of Charlotte Amalie on the island of St. Thomas.

paragraph_text: It is generally considered that the Pacific War began on 7/8 December 1941, on which date Japan invaded Thailand and attacked the British possessions of Malaya, Singapore, and Hong Kong as well as the United States military bases in Hawaii, Wake Island, Guam and the Philippines. Some historians contend that the conflict in Asia can be dated back to 7 July 1937 with the beginning of the Second Sino-Japanese War between the Empire of Japan and the Republic of China, or possibly 19 September 1931, beginning with the Japanese invasion of Manchuria. However, it is more widely accepted that the Pacific War itself started in early December 1941, with the Sino-Japanese War then becoming part of it as a theater of the greater World War II.[nb 9]

paragraph_text: Captain Frederick Elliott Brown was a Canadian World War I flying ace credited with 10 aerial victories. He returned to military service during World War II.

paragraph_text: The île de Nantes (Island of Nantes) is an island located in the centre of the city of Nantes, France, surrounded by two branches of the Loire River - the "bras de la Madeleine" (branch of the Madeleine) at the north and the "bras de Pirmil" (branch of Pirmil) at the south. It is one of the eleven neighbourhoods of Nantes.

paragraph_text: The Eritrean Air Force (ERAF) is the official aerial warfare service branch of the Eritrean Defence Forces and is one of the three official uniformed military branches of the State of Eritrea.

paragraph_text: Frederick Edgar Ferguson (born August 18, 1939) is a former United States Army warrant officer and later officer, as well as a recipient of the United States military's highest decoration—the Medal of Honor—for his actions in the Vietnam War while a chief warrant officer 3.

paragraph_text: The Republic of China Military Police (ROCMP; ) is a military police body under the Ministry of National Defense of Taiwan (Republic of China). Unlike military police in many other countries, ROCMP is a separate branch of the ROC Armed Forces. ROCMP is responsible for protecting government leaders from assassination or capture, guarding Taiwan’s strategic facilities, and counterintelligence against enemy infiltrators, spies, and saboteurs.

paragraph_text: Lindenhurst is a station on the Babylon Branch of the Long Island Rail Road. It is officially located at Wellwood Avenue (Suffolk CR 3) and East Hoffman Avenue (Suffolk CR 12) in Lindenhurst, New York.

paragraph_text: The Second Sino - Japanese War between the Empire of Japan and the Republic of China had been in progress since 7 July 1937, with hostilities dating back as far as 19 September 1931 with the Japanese invasion of Manchuria. However, it is more widely accepted that the Pacific War itself began on 7 / 8 December 1941, when Japan invaded Thailand and attacked the British possessions of Malaya, Singapore, and Hong Kong as well as the United States military and naval bases in Hawaii, Wake Island, Guam and the Philippines.

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.

Question: When did Frederick Fitzwygram's military group invade the island?
Answer: 1773