Statistics for Deadliest Battles of All Time

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Year	Casualties	Attackers	Defenders	Answer	% Correct
1942-3	~2M	Axis Powers	Soviet Union	Battle of {Stalingrad}	96%
1941-4	~5M	Germany, Italy, Finland	Soviet Union	Siege of {Leningrad}	91%
1945	1.3M	Soviet Union	Germany	Battle of {Berlin}	86%
1916	1M	French and British Empires	Germany	Battle of the {Somme}	74%
1941	1.2M	Germany	Soviet Union	Battle of {Moscow}	72%
1916	750k	Germany	France	Battle of {Verdun}	63%
1870-1	335k	German Confederation, Later Germany	France	Siege of {Paris}	62%
1945	~280k	United States	Japan	Battle of {Okinawa}	58%
1258	~2M	Mongol Empire (Ilkhanate)	Abbasid Caliphate	Siege of {Baghdad}	57%
1941	700k	Germany	Soviet Union	Battle of {Kiev}	56%
1937	~330k	Japan	Chinese United Front	Battle of {Shanghai}	46%
1944	500k	Germany, Hungary	Soviet Union, Romania	Siege of {Budapest}	41%
1917	510k	British Empire, France, Belgium	Germany	Battle of {Passchendaele}	33%
1941	870k	Germany	Soviet Union	Battle of {Smolensk}	26%
52 BCE	~300k	Rome	Gallic Confederation	Battle of {Alesia}	21%
1938	1.1M	Japan	Chinese United Front, Soviet Union	Battle of {Wuhan}	17%
1942	670k	Germany	Soviet Union	Battle of {Voronezh}	7%
1944	550k	Germany	Soviet Union	Battle of {Narva}	4%
383	700k	Eastern Jin Dynasty	Former Qin Dynasty	Battle of {Fei River}	3%
612	302k	Sui Dynasty	Goguryeo	Battle of {Salsu}	3%