Although there is some debate about the true number of World War I casualties, the U.S. Department of Justice estimates that a total of 5,142,631 souls perished during the war. Russia lost the highest number of people, w... More »

World War II casualties vary significantly in different sources, but estimates suggest that the total number of casualties ranges from 50 million to 80 million people. From these, up to 25 million were military casualtie... More »

An estimated 200,000 people died in the trenches of the Western Front during World War I. The deaths occurred for many different reasons in addition to the actual war, including lack of sanitation. More »

The total casualties in World War I are just under 37.5 million people, including soldiers killed, wounded, prisoners and missing in action. This war is among the bloodiest in recorded history. More » History Modern History World War 1

During World War I, a total of 116,516 American soldiers were killed. That is the seventh most deaths of any country that participated in the war. The United States sent 4,355,000 soldiers to participate in the war, and ... More »

Although the assassination of Austrian Archduke Franz Ferdinand is cited as the main cause that thrust the world into war, many causes and events led up to World War I. Some of the secondary causes include the mutual def... More »

World War I, which started in July 1914 and ended Nov. 11, 1918, was responsible for more than 17 million casualties, approximately 100,000 of which were troops from the United States. Causes of World War I include mutua... More » History Modern History World War 1