sparten

800,000–1,600,000 - Battle of Stalingrad (1942–1943)
670,000–1,500,000 - Siege of Leningrad (1941–1944)
700,000 - Battle of Moscow (1941–1942)
400,000–680,000 - Battle of Kiev (1941)
500,000 - Battle of Smolensk (1941)
370,000 - Battle of Voronezh (1942)
370,000 - Battle of Belarus (1941)
175,000–350,000 - Operation Bagration (1944)
230,000–350,000 - Battle of Kursk (1943)
300,000 - Battle of the Somme (1916)
270,000 - Second Rzhev-Sychevka Offensive (1942)
270,000 - Battle of West Ukraine (1944)
260,000 - Battle of Verdun (1916)
260,000 - Battle of the Caucasus (1942)
165,000–300,000 Battle of Chalons (451)
230,000 - Battle of Berlin (1945)
200,000 - Siege of Tenochtitlan (1520–1521)
190,000 - Battle of West Ukraine (1941)
180,000 - Battle of France (1940)
170,000 - Battle of the Lower Dnieper (1943)
170,000 - Battle of Königsberg (1945)
150,000 - Battle of Rostov (1941)
150,000 - Battle of Okinawa (1945)
150,000 - Battle of Passchendaele (1917)
132,000 - Battle of Normandy (1944)
130,000 - Battle of Gallipoli (1916)
130,000 - Battle of Budapest (1945)
125,000 - Third Battle of Nanking (1864)
125,000 - Battle of Lemberg (1914)
115,000 - Battle of the Frontiers (1914)
100,000 - Battle of Chernikov-Poltava (1943)
100,000 - Battle of Smolensk (1943)
90,000 - Battle of the Aisne (1917)
83,000 - Battle of the Baltic (1941)
80,000 - Battle of the Somme (1918)
80,000 - Battle of the Marne (1918)
74,000 - Battle of Polyarnoe-Karelia (1941)
72,000+ - Battle of Belgorod (1943)
70,000 - Second Battle of the Atlantic (1939–1945)
70,000 - Second Battle of Anchialus (917)
69,000 - Battle of Leyte (1944)
66,000 - Battle of Donbass (1943)
56,000–66,000 - Battle of Cannae (216 BC)
65,000 - Battle of Lvov-Sandomir (1944)
64,000 - Battle of the Aisne (1918)
62,000 - Battle of Artois (1915)
61,000 - Battle of the Baltic (1944)
60,000 - Battle of Basra (1985–1988)
60,000 - Battle of Monte Cassino (1944)
60,000 - Battle of Arras (1917)
60,000 - First Battle of Ypres (1914)
60,000 - Battle of Champagne (1915)
40,000–56,000 - Tet Offensive (1968)
55,000 - Korsun Pocket (1944)
55,000 - Battle of Voronezh (1943)
50,000 - Meuse-Argonne offensive (1918)
50,000 - Eleventh Battle of the Isonzo (1917)
50,000 - Battle of Hsuchow (1927)
30,000–50,000 - Battle of Naissus (268)
45,000 - Fourth Battle of Kharkov (1943)
44,000 - Battle of the Crimea (1944)
42,000 - Battle of the Seelow Heights (1945)
40,000 - Battle of Imphal (1944)
38,000 - Battle of the Bulge (1944–1945)
37,000 - Battle of Tannenberg (1914)
36,500 - Battle of the Ebro (1938)
35,000 - Battle of Mukden (1905)
30,300–34,000 - Battle of Thermopylae (480 BC)
32,000 - Battle of Lepanto (1571)
31,000 - Battle of Thapsus (46 BC)
31,000 - Battle of Taierzhuang (1937)
30,000 - Battle of Saipan (1944)
30,000 - Battle of Konotop (1659)
30,000 - Battle of Marignan (1515)
30,000 - Battle of the Teutoburg Forest (9)
20,000–30,000 - Battle of Munda (45 BC)
29,000 - Battle of Iwo Jima (1945)
25,000 - Battle of Pydna (168 BC)
26,000 - Katyn Massacre (1940)
22,500 - Battle of Leipzig (1813)
20,000 - Battle of the Trebia (218 BC)
18,500 - Battle of Borodino (1812)
16,500 - Battle of Halhin Gol (1939)
15,000 - Battle of Waterloo (1815)
15,000 - Battle of Lake Trasimene (217 BC)
11,000 - Battle of Heraclea (180 BC)
11,000 - Siege of Petersburg, Virginia (1864–1865)
7,000–11,000 - Battle of Pharsalus (48 BC)
10,500 - Battle of Asculum (279 BC)
10,360 - Battle of Mons Graupius (83 or 84)
10,000 - Battle of the Metaurus (207 BC)
10,000 - Battle of Celaya (1913)
8,700 - Battle of Cynoscephalae (197 BC)
7,058 - Battle of Gettysburg (1863)
6,592 - Battle of Marathon (490 BC)
5,350+ - Battle of Suomussalmi (1939–1940)
5,000+ - Battle of Dara (530)
5,000+ - Battle of Dyrrhachium (1081)
4,808 - Battle of Antietam (1862)
4,360 - Battle of Chickamauga (1863)
4,329 - Battle of Isandlwana (1879)
4,175 - Battle of Leuthen (1757)
3,477 - Battle of Shiloh (1862)
3,205 - Second Battle of Bull Run (1862)
200–2,850 - Battle for Fallujah (November 8–November 14, 2004)
2,800 - Battle of Midway (1942)
2,400 - La Noche Triste (1520)
2,000+ - Battle of Manzikert (1071)
1,705 - Battle of Cold Harbor (June 1-3, 1864)
1,700 - Battle of Vicksburg (1863)
1,000+ - Battle of Dyrrhachium (48 BC)
868 - First Battle of Bull Run (July 21, 1861)
622 - Jamestown Massacre (1622)
567 - Battle of Rorke's Drift (1879)
495 - Battle of Monongahela (1755)
383 - Battle of the Alamo (1836)
366 - Battle of Bunker Hill (1775)
350 - Battle of Spion Kop (1900)
302 - Battle of Little Bighorn (1876)


If you will notice the most bloodiest seem to be from the Eastern Front.

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"Any relations in a social order will endure if there is infused into them some of that spirit of human sympathy, which qualifies life for immortality." ~ George William Russell