Question: When did Spike Milligan write Adolf Hitler: My Part in His Downfall?

full_context: Document 1: Adolf Hitler: My Part in His Downfall (film): Adolf Hitler: My Part in His Downfall is a 1973 film adaptation of the of Spike Milligan's autobiography. It starred Jim Dale as the young Terence "Spike" Milligan, while Milligan himself played the part of his father, Leo. Dale was nominated for the BAFTA Award for Most Promising Newcomer to Leading Film Roles for his performance.
Document 2: Spike Milligan: Terence Alan Milligan {'1': ", '2': ", '3': ", '4': "} (16 April 1918 – 27 February 2002) was a British-Irish comedian, writer, musician, poet, playwright and actor. The son of an Irish father and an English mother, his early life was spent in India where he was born. The majority of his working life was spent in the United Kingdom. He disliked his first name, and began to call himself "Spike" after hearing a band on Radio Luxembourg called Spike Jones and his City Slickers.
Document 3: Adolf Hitler: My Part in His Downfall: Adolf Hitler: My Part in His Downfall, published in 1971, is the first volume of Spike Milligan's war memoirs. The book spans the period from Britain's declaration of war on Germany to when Milligan lands in Algeria as a part of the Allied liberation of Africa.
Document 4: Goodbye Soldier: Goodbye Soldier is Spike Milligan's sixth volume of autobiography. World War II has ended, Milligan continues NAAFI performances. During this time in Italy and Austria he tours with a large group as one of The Bill Hall Trio. While music and war were backdrops for the first books, music and his relationship with Toni Fontana are here. (A relationship described in longings using tourist-guide Italian, and a repetitive fascination with being called “Terr-ee”.) The book covers June to September 1946, at which point Milligan is released from service and sails home for England. The text is a fifth shorter than the longest volume "Mussolini: His Part in My Downfall". The jokes are sometimes sparse.
Document 5: Monty: His Part in My Victory: Monty: His Part in My Victory, Spike Milligan's third volume of war memoirs, co-written with Jack Hobbs, runs to only about 90 pages of text. It recounts a period when the Nazis have been defeated in Africa and Milligan is not fighting. The book mostly describes Milligan's activities on leave, playing in a band and minor adventures and tribulations while on duty. Events span from May to September 1943: just after Operation "Torch", the liberation of Africa in World War II, to Milligan's embarkation in Salerno, Italy.
Document 6: Hitler Sites: Hitler Sites: A City-by-City Guidebook (Austria, Germany, France, United States) by Steven Lehrer is a history and tour of European and American sites related to Adolf Hitler These sites cannot be found in standard guidebooks. Their descriptions comprise a topographical biography of the German dictator and can clarify who and what he actually was. Among the many sites are the middle-class homes and apartments where he grew up in rural Austria and Linz; the tenements and shelters he inhabited before ending up homeless, lice-infested, freezing and penniless in the streets of Vienna; the expansive Munich apartment where he lived as a rising politician and as Führer; and his country home, the Berghof, in Berchtesgaden. Also included are the Führerbau, where he signed the Munich Accords, and the New York home of his reviled nephew, William Patrick Hitler, who enlisted in the US Navy to fight against his uncle during World War II.
Document 7: Jimmy Cricket: James Mulgrew (born 17 October 1945), known professionally as Jimmy Cricket, is an Irish comedian. He currently lives with his family in Rochdale, North West England.
Document 8: To Hell and Back (book): To Hell and Back is Audie Murphy's 1949 World War II memoir, detailing the events that led him to receive the Medal of Honor and also to become one of the most decorated foot-soldiers of the war. Although only Murphy's name appears on the book cover, it was in fact a collaboration with writer David "Spec" McClure. After securing a publishing contract in 1947, Murphy and McClure worked on the book through 1948 in Murphy's Hollywood apartment. Murphy did write some of the prose himself, but most of it was in "as told to" style, with the writing left to McClure. They traveled to France in 1948 where Murphy was presented with the French Legion of Honor and the Croix de Guerre with Palm from the French government. While in France, Murphy received permission to visit the battle sites. The two men retraced 1,500 miles of battlefield as Murphy related details of the events to McClure.
Document 9: The Bill Hall Trio: The Bill Hall Trio was a musical comedy act originally consisting of Bill Hall (violin), Johnny Mulgrew (double bass) and Spike Milligan (guitar). They met through the Combined Services Entertainment programme during World War II and the trio continued in its original form until 1947/8. After Milligan left, the Bill Hall Trio obtained a new guitarist (who according to Mulgrew was like George Formby) and other new members whenever old members left or died. The group went on until the death (from throat cancer]) of Johnny Mulgrew in the 1980s. (Johnny Mulgrew died on 1 August 1985, as Peace Work was published in 1992, and in it Milligan stated that when Johnny Mulgrew died 6 years ago, the trio came to an end.). In an interview with Tony Brown in 1970, Spike mentions that Bill Hall and Johnny Mulgrew were already dead then. "The trio I worked with was the Bill Hall Trio—which became Hall, Norman and Ladd eventually. Bill Hall died from consumption; Johnny Mulgrew who used to play bass with the Ambrose Octet before the war, he died—also from consumption. I think the act is still going."
Document 10: With the Old Breed: With the Old Breed: At Peleliu and Okinawa is a World War II memoir by Eugene Sledge, a United States Marine. Since its first publication in 1981, "With the Old Breed" has been recognized as one of the best first-hand accounts of combat in the Pacific during World War II. The memoir is based on notes Sledge kept tucked away in a pocket-sized Bible he carried with him during battles he fought at Peleliu and Okinawa.
Document 11: I'm Asking You Sergeant, Where's Mine: "I'm Asking You Sergeant, Where's Mine" (also known by the shorter title "Sergeant, Where's Mine") is a folk song written and first performed in the mid-1970s by Scottish comedian, actor and singer Billy Connolly. It was later popularized by The Dubliners. Inspired by The Troubles in Northern Ireland, it is told from the point of view of a wounded soldier and makes ironic reference to British Army recruitment advertisements of the era that showed recruits having a grand time in exotic places and enjoying such activities as skiing.
Document 12: Billy Connolly: Sir William Connolly, CBE (born 24 November 1942) is a Scottish comedian, musician, presenter and actor from Glasgow, Scotland. He is sometimes known, especially in his native Scotland, by the nickname "The Big Yin" ("The Big One"). His first trade, in the early 1960s, was as a welder (specifically a boilermaker) in the Glasgow shipyards, but he gave it up towards the end of the decade to pursue a career as a folk singer, firstly in the Humblebums alongside friend Gerry Rafferty until 1971, and subsequently as a solo artist. In the early 1970s, Connolly made the transition from folk-singer with a comedic persona to fully fledged comedian, for which he has received numerous awards.
Document 13: Mein Kampf: Mein Kampf (] , "My Struggle") is a 1925 autobiographical book by Nazi Party leader Adolf Hitler. The work describes the process by which Hitler became antisemitic and outlines his political ideology and future plans for Germany. Volume 1 of "Mein Kampf" was published in 1925 and Volume 2 in 1926. The book was edited by Hitler's deputy Rudolf Hess.
Document 14: Mein Kampf in Arabic: "Mein Kampf" (English: My Struggle, Arabic: كفاحي‎ ‎ "kifāḥī"), Adolf Hitler's 900-page autobiography outlining his political views, has been translated into Arabic a number of times since the early 1930s.
Document 15: According to Spike Milligan: According to Spike Milligan is a series of literary pastiche novels written by Spike Milligan from 1993 to 2000. Each part of the series was a rewriting of an original novel, with surreal comic elements added that fit into certain points of the originals, whilst at the same time poking fun at the situations involved.
ground_truth: 1971