Spring 1945 offensive in Italy

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Spring 1945 Offensive
Part of the Italian Campaign of World War II

British troops pick their way through the ruins of Argenta, 18 April 1945
Date6 April 1945 – 2 May 1945
Emilia-Romagna, Lombardy and the Veneto regions, northern Italy
  • Decisive Allied victory
  • German surrender in Italy
  • Partisans capture & execute Mussolini
  • Italian Social Republic disestablished
 United Kingdom
 United States
Poland Polish Army
 British India
 New Zealand
 South Africa
Kingdom of Italy
Italian Resistance
and others
 Nazi Germany
Italian Social Republic
Commanders and leaders
United Kingdom Harold Alexander
United States Mark Clark
United Kingdom Richard McCreery
United States Lucian Truscott
Nazi Germany Heinrich von Vietinghoff (POW)
Nazi Germany Traugott Herr (POW)
Nazi Germany Joachim Lemelsen (POW)
Benito Mussolini 
Rodolfo Graziani (POW)
15th Army Group[nb 1]
British 8th Army 632,980 fighting strength[2]
U.S. 5th Army 266,883 fighting strength[1]
Army Group C 394,000 fighting strength[3][nb 2]
Casualties and losses
16,258 casualties[nb 3]
incl. 2.860 killed [4]
30–32,000 casualties[nb 4]

The Spring 1945 offensive in Italy was given the code name Operation Grapeshot.[5] It was the Allied attack by Fifth United States Army and British 8th Army into the Lombardy Plain. It started on 6 April 1945 and ended on 2 May with the surrender of German forces in Italy.

Background[change | change source]

The Allies had done their previous major attack on the Gothic Line in August 1944. The British 8th Army attacked up the coast of the Adriatic Sea. The U.S. 5th Army attacked through the central Apennine Mountains.

They managed to break through the Gothic Line defences. But they failed to get into the Lombardy Plains before the winter weather stopped them. They had a hard time in the cold winter weather. They planned to attack again in the spring.

Command changes[change | change source]

Harold Alexander was promoted to Field Marshal. He was made the Allied Supreme Commander Mediterranean on 12 December.

On 23 March, Albert Kesselring was appointed Commander-in-Chief Army Group West.

Orders of battle[change | change source]

In the spring, the problems of getting troops continued. The 15th Army Group had 1,334,000 men[1] with Eighth Army having 632,980 men[2] and Fifth Army 266,883.[1] Against them were 21 much weaker German divisions and 4 Italian divisions, a total of 25.[6]

Plan of attack[change | change source]

Allied Spring Offensive April 1945: Note that 21 ID NZ is actually New Zealand 2nd Infantry Division

Clark made his plan on 18 March. He wanted destroy the maximum number of enemy forces, cross the Po and capture Verona.[7]

The Eighth Army was to go north west to capture Ferrara and Bondeno. The U.S. Fifth Army was to go past Bologna to surround German forces south of the Po. The Fifth Army was to go west towards Ostiglia.[8] Next, the Allies would capture bridge across the Po and go north.

The Fifth Army plan (Operation Craftsman) aimed to pull German reserves away from Route 65. II Corps would then attack.[9]

Battle[change | change source]

In the first week of April, attacks were launched on the right and left of the Allied lines. The goal was to draw German reserves away from the main attacks to come. Axis forces had to use sea, canal and river routes for supply. Axis shipping was being attacked in bombing raids.

The main attack started on 6 April with an artillery bombing of the Senio defenses. On 9 April, 825 heavy bombers dropped bombs near the Senio. From 15:20 to 19:10, artillery was fired. As well, 28 Churchill Crocodiles and 127 Wasp flamethrower vehicles were sent out.[10][11] By 12 April, the 8th Indian Division was on the far side of the Santerno. The British 78th Division moved to attack Argenta.

The U.S. 5th Army began its attack on 14 April. First, there was a bombing by 2,000 heavy bombers and 2,000 artillery pieces. Then troops attacked. By 20 April both corps had broken through the German defences and reached the Po valley. 10th Mountain Division went north.[12] By 19 April, the British 6th Armoured Division was moving to surround the German armies defending Bologna.[13] Bondeno was captured on 23 April. Bologna was entered on 21 April.[14] U.S. IV Corps reached the river Po at on 22 April. They went north to Verona which they entered on 26 April. British V Corps entered Padua on 29 April. Partisans had captured the German garrison of 5,000.[15]

Afterwards[change | change source]

Secret surrender talks between the Germans and Western Allies were held in Switzerland (Operation Crossword) in March. The Soviets did not like that the Western Allies were trying to arrange a surrender that did not include the Soviets. On 29 April, the Germans surrendered.[15]

Notes[change | change source]

Footnotes[change | change source]

  1. Total army group strength including Lines of Communication and support troops totalled 1,333,856[1]
  2. In addition the army group had 91,000 Lines of Communication and anti-aircraft troops and controlled a further 100,000 local police[3]
  3. From 9 April 1945 until the end of Operation Grapeshot, thus casualties exclude those suffered during the preliminary operations.
    5th Army: 7,965 casualties. American: 6,834 (1,288 killed, 5,453 wounded and 93 missing) casualties; South African: 537 (89 killed, 445 wounded and 3 missing) casualties; Brazilian: 594 (65 killed, 482 wounded and 47 missing) casualties.
    8th Army: 7,193 casualties. British: 3,068 (708 killed, 2,258 wounded and 102 missing) casualties; New Zealand: 1,381 (241 killed and 1,140 wounded) casualties; Indian: 1,076 (198 killed, 863 wounded and 15 missing) casualties; Colonial: 46 (11 killed and 35 wounded) casualties; Polish: 1,622 (260 killed, 1,355 wounded and 7 missing) casualties.
    Italians fighting with both armies: 1,100 (242 killed, 828 wounded and 30 missing) casualties.[4]
  4. British estimated around 30,000 casualties were inflicted upon the Axis forces during this offensive, while a German staff officer estimated 32,000 casualties suffered during Operation Grapeshot.[4]

Citations[change | change source]

  1. 1.0 1.1 1.2 1.3 Jackson, p. 230.
  2. 2.0 2.1 Jackson, p. 223.
  3. 3.0 3.1 Jackson, p. 236.
  4. 4.0 4.1 4.2 Jackson, p. 334
  5. Jackson, p. 253
  6. Blaxland, p. 242.
  7. Jackson, p. 203.
  8. Jackson, p. 204.
  9. Jackson, p. 228.
  10. Fletcher, p.35.
  11. approximately one flamethrower vehicle every 64 metres along a 8 km long front
  12. Popa, p. 15
  13. Blaxland, pp. 267-8
  14. Blaxland, p. 271
  15. 15.0 15.1 Blaxland, p277

References[change | change source]

  • Blaxland, Gregory (1979). Alexander's Generals (the Italian Campaign 1944-1945). London: William Kimber & Co. ISBN 0-7183-0386-5.
  • Fletcher, David (2007). Churchill Crocodile Flamethrower. Osprey Publishing. ASIN B01FGLSGDA.
  • Jackson, General W.G.F.; with Gleave, Group Captain T.P. (2004) [1st. pub. HMSO 1988]. Butler, Sir James (ed.). The Mediterranean and Middle East, Volume VI: Part III - November 1944 to May 1945. History of the Second World War United Kingdom Military Series. Uckfield, UK: Naval & Military Press. ISBN 1-84574-072-6.
  • Popa, Thomas A. (1996). Po Valley 1945. WWII Campaigns. United States Army Center of Military History. ISBN 0-16-048134-1. CMH Pub 72-33. Archived from the original on 2011-05-21. Retrieved 2016-05-30.