Operation
|
Year
|
Conflict
|
Casualties
|
Flanders and the Rhine Campaign
|
#1702–1713
|
War of the Spanish Succession
|
0,190,442 190 442
|
Ulm Campaign
|
#1805
|
War of the Third Coalition
|
0,062,000 62,000
|
French invasion of Russia
|
#1812
|
Napoleonic Wars
|
0,920,000 920,000–1,040,000
|
German Campaign
|
#1813
|
War of the Sixth Coalition
|
0,745,000 745,000
|
Six Days' Campaign
|
#1814
|
War of the Sixth Coalition
|
0,080,000 80,000[101]
|
Hundred Days
|
#1815
|
War of the Seventh Coalition
|
0,241,525 241,525
|
Peninsula Campaign
|
#1862
|
American Civil War
|
0,036,463 36,463[163]
|
Battle of Chancellorsville
|
#1863
|
American Civil War
|
0,030,000 30,000[164]–30,500[107]
|
Overland Campaign
|
#1864
|
American Civil War
|
0,087,000 87,000[165]–92,000[128]
|
Appomattox Campaign
|
#1865
|
American Civil War
|
0,016,500 16,500[131]
|
Battle of Mukden
|
#1905
|
Russo-Japanese War
|
0,160,000 160,000[166]
|
Battle of Lule Burgas
|
#1912
|
First Balkan War
|
0,042,162 42,162+[167]
|
First Battle of Çatalca
|
#1912
|
First Balkan War
|
0,022,000 22,000[168]
|
Battle of Bregalnica
|
#1913
|
Second Balkan War
|
0,036,620 36,620[134]
|
Serbian Campaign (1914)
|
#1914
|
World War I
|
0,437,361 437,361, including prisoners
|
Battle of the Frontiers
|
#1914
|
World War I
|
0,664,191 664,191
|
Battle of Tannenberg
|
#1914
|
World War I
|
0,145,000 145,000[169]–160,000[170]
|
Battle of Galicia
|
#1914
|
World War I
|
0,700,000 645,000–700,000
|
First Battle of the Marne
|
#1914
|
World War I
|
0,513,000 513,000[171]
|
First Battle of the Aisne
|
#1914
|
World War I
|
0,263,541 At least 263,541
|
First Battle of Ypres
|
#1914
|
World War I
|
0,210,000 210,000[172]
|
Battle of Łódź
|
#1914
|
World War I
|
0,130,000 130,000[173]
|
First Battle of Champagne
|
#1914–1915
|
World War I
|
0,139,532 139,532
|
Battle of Sarikamish
|
#1914–1915
|
World War I
|
0,139,532 60,000—85,000[174]
|
Second Battle of the Masurian Lakes
|
#1915
|
World War I
|
0,216,200 216,200
|
Second Battle of Ypres
|
#1915
|
World War I
|
0,104,208 104,208[175]–107,000[176]
|
Gallipoli Campaign
|
#1915
|
World War I
|
0,503,000 503,000[175]–552,000[177]
|
Second Battle of Artois
|
#1915
|
World War I
|
0,186,000 186,000[175]
|
Second Battle of Champagne–Third Battle of Artois
|
#1915
|
World War I
|
0,075,000 75,000[176]–440,000[175]
|
Gorlice–Tarnów Offensive
|
#1915
|
World War I
|
0,300,000 300,000–1,087,000[175]
|
Great Retreat (Russian)
|
#1915
|
World War I
|
1,943,800 1,943,800+
|
Serbian Campaign (1915)
|
#1915
|
World War I
|
0,331,000 331,000, including prisoners[178]
|
Erzurum Offensive
|
#1916
|
World War I
|
0,139,532 80,000—85,000[174]
|
Battle of Verdun
|
#1916
|
World War I
|
0,755,000 755,000[179]–976,000[175]
|
Battle of Asiago
|
#1916
|
World War I
|
0,250,000 250,000[175]
|
Brusilov Offensive
|
#1916
|
World War I
|
1,600,000 1,600,000[175]
|
Battle of the Somme
|
#1916
|
World War I
|
1,120,000 1,120,000[180]–1,215,000[175]
|
Monastir Offensive
|
#1916
|
World War I
|
0,111,000 111,000[181]
|
Romanian Campaign
|
#1916–1917
|
World War I
|
0,240,000 240,000[175][dubious – discuss] - 933,000, including prisoners
|
Nivelle Offensive
|
#1917
|
World War I
|
0,354,000 354,000[182]
|
Second Battle of the Aisne
|
#1917
|
World War I
|
0,350,000 350,000-463,000
|
Battle of Arras
|
#1917
|
World War I
|
0,288,000 278,000-288,000
|
Battle of Messines
|
#1917
|
World War I
|
0,042,000 42,000[183][184]
|
Tenth Battle of the Isonzo
|
#1917
|
World War I
|
0,200,000 200,000[185]
|
Third Battle of Ypres
|
#1917
|
World War I
|
0,585,000 Over 585,000[186]
|
Eleventh Battle of the Isonzo
|
#1917
|
World War I
|
0,273,000 273,000
|
Battle of Caporetto
|
#1917
|
World War I
|
0,060,000 60,000[187]
|
Battle of Cambrai
|
#1917
|
World War I
|
0,095,000 95,000[187]
|
Spring Offensive
|
#1918
|
World War I
|
1,539,000 1,539,000[188]
|
Operation Michael
|
#1918
|
World War I
|
0,494,616 494,616
|
Battle of the Lys
|
#1918
|
World War I
|
0,228,340 204,300-228,340
|
Third Battle of the Aisne
|
#1918
|
World War I
|
0,257,000 257,000
|
Second Battle of the Piave River
|
#1918
|
World War I
|
0,131,494 131,494 killed and wounded, 73,729 prisoners
|
Second Battle of the Marne
|
#1918
|
World War I
|
0,288,000 288,000[188]
|
Hundred Days Offensive
|
#1918
|
World War I
|
2,240,000 2,240,000[188]
|
Meuse–Argonne offensive
|
#1918
|
World War I
|
0,318,000 318,000
|
Battle of Warsaw
|
#1920
|
Polish–Soviet War
|
0,130,000 About 130,000, not including prisoners[189]
|
Invasion of Manchuria
|
#1931
|
Second Sino-Japanese War
|
0,035,000 35,000[190]
|
Battle of Guadalajara
|
#1937
|
Spanish Civil War
|
0,012,000 12,000[191]
|
Battle of Teruel
|
#1937–1938
|
Spanish Civil War
|
0,110,000 110,000, including prisoners[192]
|
Battle of the Ebro
|
#1938
|
Spanish Civil War
|
0,106,500 106,500[192]
|
Battle of Xuzhou
|
#1938
|
World War II
|
0,130,000 130,000[193]
|
1938 Yellow River Flood
|
#1938
|
World War II
|
0,800,000 800,000[194]
|
Battles of Khalkhin Gol
|
#1939
|
Soviet–Japanese border conflicts
|
0,042,000 42,000—75,000[195][196]
|
Invasion of Poland
|
#1939
|
World War II
|
0,310,000 310,000[197]
|
Battle of Suixian–Zaoyang
|
#1939
|
World War II
|
0,049,000 49,000[198]
|
Winter Offensive
|
#1939–1940
|
World War II
|
0,100,000 100,000+[199]
|
Operation Weserübung
|
#1940
|
World War II
|
0,012,800 12,800[197]
|
Battle of France
|
#1940
|
World War II
|
0,469,000 469,000[200]
|
Hundred Regiments Offensive
|
#1940
|
Second Sino-Japanese War
|
0,062,900 62,900[201]
|
Battle of Keren
|
#1941
|
World War II
|
0,100,000 34,000 including over 12,600 killed
|
Battle of Greece
|
#1941
|
World War II
|
0,046,295 46,295 dead[202]
|
Battle of Shanggao
|
#1941
|
World War II
|
0,042,000 42,000[203]
|
Battle of Crete
|
#1941
|
World War II
|
0,016,007 16,007 dead [204]
|
Operation Barbarossa
|
#1941
|
World War II
|
5,000,000 5,000,000[205]–6,000,000[206]
|
Battle of Białystok–Minsk
|
#1941
|
World War II
|
0,429,886 429,886 including prisoners [207]
|
Battle of Smolensk (1941)
|
#1941
|
World War II
|
0,595,606 595,606 killed, captured, and missing; 300,000 Soviet prisoners
|
Battle of Kiev (1941)
|
#1941
|
World War II
|
0,761,783 761,783 killed, captured, and missing
|
Battle of Moscow
|
#1941
|
World War II
|
1,000,000 1,000,000[205]
|
Battle of Hong Kong
|
#1941
|
World War II
|
0,018,000 18,000 including prisoners[208]
|
Battle of Malaya/Battle of Singapore
|
#1941–1942
|
World War II
|
0,143,800 143,800, and 60,000 prisoners[209]
|
Battle of Bataan/Battle of Corregidor
|
#1942
|
World War II
|
0,030,000 30,000 killed[210]
|
Battle of the Kerch Peninsula
|
#1942
|
World War II
|
0,176,000 Over 176,000[211]
|
Second Battle of Kharkov
|
#1942
|
World War II
|
0,300,000 300,000[211]
|
Zhejiang-Jiangxi Campaign
|
#1942
|
World War II
|
0,356,000 356,000[212]
|
Battle of Gazala
|
#1942
|
World War II
|
0,148,000 148,000[213]
|
Case Blue
|
#1942
|
World War II
|
1,400,000 1,400,000
|
Battle of Voronezh (1942)
|
#1942
|
World War II
|
0,662,847 662,847 including prisoners
|
Guadalcanal Campaign
|
#1942–1943
|
World War II
|
0,031,100 29,100[214]–31,100[215]
|
Battles of Rzhev
|
#1942–1943
|
World War II
|
3,080,000 2,900,000–3,080,000
|
Second Battle of El Alamein
|
#1942
|
World War II
|
0,039,400 39,400[213]–82,500[216]
|
Operation Iskra
|
#1943
|
World War II
|
0,129,332 129,332[217]
|
Battle of Kursk
|
#1943
|
World War II
|
0,257,125 257,125[218]–388,000[219]
|
Allied invasion of Sicily
|
#1943
|
World War II
|
0,036,000 At least 36,000 killed, and over 100,000 Italian POWs[220]
|
Battle of Smolensk (1943)
|
#1943
|
World War II
|
0,522,059 522,059
|
Dnieper Campaign
|
#1943
|
World War II
|
1,582,000 1,582,000 (lowest est.) – 2,480,000 (highest est.)
|
Allied invasion of Italy
|
#1943
|
World War II
|
0,017,092 17,092 killed[221]
|
Bougainville Campaign
|
#1943–1945
|
World War II
|
0,021,929 21,929 killed, and 23,571 Japanese prisoners[222]
|
Dnieper–Carpathian Offensive
|
#1943–1944
|
World War II
|
1,442,956 1,442,956
|
Leningrad–Novgorod Offensive
|
#1944
|
World War II
|
0,385,604 385,604
|
Battle of Monte Cassino
|
#1944
|
World War II
|
0,185,000 185,000[223]
|
Battle of Narva
|
#1944
|
World War II
|
0,550,000 550,000 all causes[224]
|
Operation Shingle
|
#1944
|
World War II
|
0,052,200 52,200 killed[225]
|
First Jassy–Kishinev Offensive
|
#1944
|
World War II
|
0,195,000 195,000[226]
|
Ichi-Go
|
#1944
|
World War II
|
1,300,000 1,300,000+[227]
|
Battle of Normandy
|
#1944
|
World War II
|
0,795,400 650,600–795,400
|
Battle of Saipan
|
#1944
|
World War II
|
0,043,500 43,500 killed, including mass suicides[231]
|
Operation Bagration
|
#1944
|
World War II
|
1,430,000 1,430,000[232]
|
Falaise Pocket
|
#1944
|
World War II
|
0,140,000 140,000[233]
|
Second Jassy–Kishinev Offensive
|
#1944
|
World War II
|
0,485,424 485,424, including prisoners[234]
|
Operation Market Garden
|
#1944
|
World War II
|
0,027,200 27,200[235]
|
Battle of Hürtgen Forest
|
#1944–1945
|
World War II
|
0,063,000 63,000[236]
|
Battle of Leyte Gulf
|
#1944
|
World War II
|
0,012,000 12,000 killed[237]
|
Battle of the Bulge
|
#1944–1945
|
World War II
|
0,218,900 161,370[238]–218,900
|
Vistula–Oder Offensive
|
#1945
|
World War II
|
0,636,191 636,191 including prisoners
|
Battle of Luzon
|
#1945
|
World War II
|
0,340,330 332,330–345,330, including sick[239]
|
Battle of the Rhineland
|
#1945
|
World War II
|
0,082,000 82,000 and 250,000 prisoners[240]
|
Battle of Iwo Jima
|
#1945
|
World War II
|
0,044,821 44,821[241]–48,700[242]
|
East Prussian Offensive
|
#1945
|
World War II
|
0,806,778 806,778 including prisoners
|
Battle of Okinawa
|
#1945
|
World War II
|
0,113,920 113,920[243]–158,400[244]
|
Burma campaigns
|
#1942–1945
|
World War II
|
0,700,000 700,000[245]
|
Battle of West Hunan
|
#1945
|
World War II
|
0,050,000 50,000[246]
|
Second Guangxi campaign
|
#1945
|
World War II
|
1,000,000 1,000,000[247]
|
Arab–Israeli War
|
#1948–1949
|
Arab–Israeli conflict
|
0,012,000 12,000–19,000[248]
|
Liaoshen campaign
|
#1948
|
Chinese Civil War
|
0,542,000 542,000, including captured[249]
|
Huaihai campaign
|
#1948
|
Chinese Civil War
|
0,689,000 689,000, including captured[250]
|
Pingjin campaign
|
#1948–1949
|
Chinese Civil War
|
0,560,000 560,000, including captured[251]
|
Shanghai Campaign
|
#1949
|
Chinese Civil War
|
0,213,073 213,073[252]
|
Battle of Inchon
|
#1950
|
Korean War
|
0,017,429 17,429[253]
|
Invasion of North Korea
|
#1950
|
Korean War
|
0,051,700 51,700[254]
|
Battle of Chosin Reservoir
|
#1950
|
Korean War
|
0,066,000 66,000
|
Battle of Dien Bien Phu
|
#1954
|
First Indochina War
|
0,031,500 31,500, not including prisoners[255]
|
Tet Offensive
|
#1968
|
Vietnam War
|
0,065,000 65,000[256]
|
Operation OAU
|
#1968
|
Nigerian Civil War
|
0,030,000 30,000[256]
|
Easter Offensive
|
#1972
|
Vietnam War
|
0,150,000 150,000[256]
|
Operation Dawn 5
|
#1984
|
Iran-Iraq War
|
0,075,000 75,000
|
Battle of the Marshes
|
#1984
|
Iran-Iraq War
|
0,055,000 55,000
|