Operation Diadem
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Operation Diadem
Operation Diadem, also referred to as the Fourth Battle of Monte Cassino or, in Canada, the Battle of the Liri Valley, was an offensive operation undertaken by the Allies of World War II ( U.S. Fifth Army and British Eighth Army) in May 1944, as part of the Italian Campaign of World War II. ''Diadem'' was supported by air attacks called Operation Strangle. The opposing force was the German 10th Army. The object of ''Diadem'' was to break the German defenses on the Gustav Line (the western half of the Winter Line) and open up the Liri Valley, the main route to Rome. General Sir Harold Alexander, Commander-in-Chief of the Allied Armies in Italy, planned ''Diadem'' to coordinate roughly with the invasion of Normandy, so that German forces would be tied down in Italy, and could not be redeployed to France. Four corps were employed in the attack. From right to left these were the Polish II Corps and the British XIII Corps, of the Eighth Army, and the French Corps (including Morocc ...
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Winter Line
The Winter Line was a series of German and Italian military fortifications in Italy, constructed during World War II by Organisation Todt and commanded by Albert Kesselring. The series of three lines was designed to defend a western section of Italy, focused around the town of Monte Cassino, through which ran the important Highway 6 which led uninterrupted to Rome. The primary Gustav Line ran across Italy from just north of where the Garigliano River flows into the Tyrrhenian Sea in the west, through the Apennine Mountains to the mouth of the Sangro River on the Adriatic coast in the east. The two subsidiary lines, the Bernhardt Line and the Hitler Line ran much shorter distances from the Tyrrehnian sea to just North East of Cassino where they would merge into the Gustav Line. Relative to the Gustav Line, the Hitler Line stood to the North-West and the Bernhardt Line to the South-East of the primary defenses. Before being ultimately broken, the Gustav Line effectively ...
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II Corps (United States)
The II Corps was a corps-sized formation of the United States Army that was active in both World War I and World War II. It was originally formed and fought on the Western Front during World War I and was also the first American formation of any size to see combat in North Africa or Europe during World War II. History World War I II Corps was organized on 24 February 1918. Initially it consisted of the 27th, 30th, 33rd, 78th and 80th Divisions. In June 1918, the individual divisions of II Corps, which was commanded by Major General George W. Read, were assigned to British and Australian corps for familiarization training. On the 4th of July, when elements of the 33rd Division (Major General George Bell Jr.) took part in the Battle of Hamel, while attached to the Australian Corps. (The Australian commander, General Sir John Monash, was said to have deliberately chosen the date as a gesture and motivator to the American infantry attached to his corps.) Individual platoo ...
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Rome
, established_title = Founded , established_date = 753 BC , founder = King Romulus ( legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption = The territory of the ''comune'' (''Roma Capitale'', in red) inside the Metropolitan City of Rome (''Città Metropolitana di Roma'', in yellow). The white spot in the centre is Vatican City. , pushpin_map = Italy#Europe , pushpin_map_caption = Location within Italy##Location within Europe , pushpin_relief = yes , coordinates = , coor_pinpoint = , subdivision_type = Country , subdivision_name = Italy , subdivision_type2 = Regions of Italy, Region , subdivision_name2 = Lazio , subdivision_type3 = Metropolitan cities of Italy, Metropolitan city , subdivision_name3 = Metropolitan City of Rome Capital, Rome Capital , government_footnotes= , government_type = Mayor–council gover ...
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10th Army (Wehrmacht)
The 10th Army () was a World War II field army of (Germany). A new 10th Army was activated in 1943 as part of Adolf Hitler's last stand, who saw action notably in late 1943 and early 1944 along the "Winter Line" at the Battle of San Pietro Infine and the Battle of Monte Cassino, before finally surrendering near the Alps. Among its troops at Cassino were the XIV Panzer Corps and Parachute divisions of the Luftwaffe. James Holland, ''Italy's Sorrow. A Year of War, 1944-1945'', London, 2008, Harper Press. Commanders See also * 10th Army (German Empire) for the equivalent formation in World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ... References * Walter Görlitz, "Reichenau," in Correlli Barnett ed., ''Hitler's Generals'' (New York: Grove Weidenfel ...
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Operation Strangle (World War II)
Operation Strangle was a series of air interdiction operations during the Italian Campaign of World War II by the United States Fifteenth and Twelfth Air Forces to interdict German supply routes in Italy north of Rome from 19 March 1944 to 11 May 1944. Its aim was to prevent essential supplies from reaching German forces in Central Italy and compel a German withdrawal. The strategic goal of the air assault was to eliminate or greatly reduce the need for a ground assault on the region. The Allies failed in the overly ambitious objective of the campaign, namely the forced withdrawal of German forces from the Gustav Line, but the air interdiction seriously complicated the German conduct of defensive operations and played a major role in the success of the subsequent Allied ground assault Operation Diadem. Two principal interdiction lines were maintained across the narrow boot of Italy. This meant that no through trains were able to run from the Po Valley to the front line, ...
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Eighth Army (United Kingdom)
The Eighth Army was an Allied field army formation of the British Army during the Second World War, fighting in the North African and Italian campaigns. Units came from Australia, British India, Canada, Czechoslovakia, Free French Forces, Greece, New Zealand, Poland, Rhodesia, South Africa and the United Kingdom. Significant formations which passed through the Army included V Corps, X Corps, XIII Corps, XXX Corps, I Canadian Corps and the II Polish Corps. History North Africa The Eighth Army first went into action as an Army as part of Operation Crusader, the Allied operation to relieve the besieged city of Tobruk, on 17 November 1941, when it crossed the Egyptian frontier into Libya to attack Erwin Rommel's Panzer Army Africa. On 26 November the Commander-in-Chief Middle East Command, General Claude Auchinleck, replaced Cunningham with Major-General Neil Ritchie, following disagreements between Auchinleck and Cunningham. Despite achieving a number of tac ...
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United States Army North
The United States Army North (ARNORTH) is a formation of the United States Army. An Army Service Component Command (ASCC) subordinate to United States Northern Command (NORTHCOM), ARNORTH is the joint force land component of NORTHCOM.U.S. Army North (15 May 2020) Joint Forces Land Component Command
JFLCC component of NORTHCOM
ARNORTH is responsible for homeland defense and defense support of civil authorities. ARNORTH is garrisoned at , . Redesignated ARNORTH in 2004, it was first activated in ...
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Allies Of World War II
The Allies, formally referred to as the United Nations from 1942, were an international military coalition formed during the Second World War (1939–1945) to oppose the Axis powers, led by Nazi Germany, Imperial Japan, and Fascist Italy. Its principal members by 1941 were the United Kingdom, United States, Soviet Union, and China. Membership in the Allies varied during the course of the war. When the conflict broke out on 1 September 1939, the Allied coalition consisted of the United Kingdom, France, and Poland, as well as their respective dependencies, such as British India. They were soon joined by the independent dominions of the British Commonwealth: Canada, Australia, New Zealand and South Africa. Consequently, the initial alliance resembled that of the First World War. As Axis forces began invading northern Europe and the Balkans, the Allies added the Netherlands, Belgium, Norway, Greece, and Yugoslavia. The Soviet Union, which initially ha ...
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Canada
Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by total area. Its southern and western border with the United States, stretching , is the world's longest binational land border. Canada's capital is Ottawa, and its three largest metropolitan areas are Toronto, Montreal, and Vancouver. Indigenous peoples have continuously inhabited what is now Canada for thousands of years. Beginning in the 16th century, British and French expeditions explored and later settled along the Atlantic coast. As a consequence of various armed conflicts, France ceded nearly all of its colonies in North America in 1763. In 1867, with the union of three British North American colonies through Confederation, Canada was formed as a federal dominion of four provinces. This began an accretion of provinces and ...
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Battle Of Monte Cassino
The Battle of Monte Cassino, also known as the Battle for Rome and the Battle for Cassino, was a series of four assaults made by the Allies against German forces in Italy during the Italian Campaign of World War II. The ultimate objective was to break through the Winter Line, and facilitate an advance towards Rome. At the beginning of 1944, the western half of the Winter Line was anchored by Germans holding the Rapido- Gari, Liri and Garigliano valleys and several of the surrounding peaks and ridges. Together, these features formed the Gustav Line. Monte Cassino, a historic hilltop abbey founded in 529 by the Benedict of Nursia, dominated the nearby town of Cassino and the entrances to the Liri and Rapido valleys. Lying in a protected historic zone, it had been left unoccupied by the Germans, although they manned some positions set into the slopes below the abbey's walls. Repeated artillery attacks on assaulting allied troops caused their leaders to conclude incorr ...
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LXXVI Panzer Corps
The LXXVI Panzer Corps (''LXXVI Panzerkorps'', 76th Armoured Corps) was a panzer corps of Nazi Germany during World War II. The headquarters were formed in France under Army Group D on 29 June 1943 as LXXVI Army Corps but renamed a month later. In August it shipped to Italy to become part of 10th Army. It spent the rest of the war in Italy fighting in the Italian Campaign mainly under 10th Army but with short periods from February 1944 (Battle of Anzio) and January 1945 (Spring 1945 offensive in Italy) under 14th Army. The Corps was commanded for most of its active fighting by General Traugott Herr. Order of battle In 1943 the corps included: * 1st Parachute Division * 26th Panzer Division * 65th Infantry Division * 90th Panzergrenadier Division On 25 August 1944 the composition of the corps was:, (Appendix B). * 1st Parachute Division * 278th Infantry Division * 71st Infantry Division * 5th Mountain Division * 162nd Turkestan Division Commanding officers *Lieutenant-G ...
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LI Mountain Corps (Wehrmacht)
__NOTOC__The LI Mountain Corps was a German military formation in World War II. History The LI. Gebirgs-Armeekorps was formed on 15 August 1943 at Vienna in Wehrkreis XVII. Its staff came from the LI Army Corps, which had been destroyed in the Battle of Stalingrad. The unit fought in Italy and participated in the Fourth Battle of Monte Cassino (May 1944), on the Trasimene Line (June 1944), on the Gothic Line The Gothic Line (german: Gotenstellung; it, Linea Gotica) was a German Defense line, defensive line of the Italian Campaign (World War II), Italian Campaign of World War II. It formed Generalfeldmarschall, Field Marshal Albert Kesselring's la ... (August 1944 - March 1945) and in Operation Grapeshot (April 1945). It surrendered at Brescia in May 1945. Commanders * General of Mountain troops Valentin Feurstein (25 August 1943 - January 1945) * General of the Artillery Friedrich-Wilhelm Hauck (January 1945 - 8 May 1945) Sources LI. Gebirgs-Armeekorps su ...
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