Americans Answer Call to Arms During World War I > U.S. Department of Defense > Defense Department News
![Amazon.com: World War One: WWI History told from the Trenches, Seas, Skies, and Desert of a War Torn World (The Great War Series): 9798709856219: Wrinn, Daniel, Smith, Griffin, Harty, Audrey: Books Amazon.com: World War One: WWI History told from the Trenches, Seas, Skies, and Desert of a War Torn World (The Great War Series): 9798709856219: Wrinn, Daniel, Smith, Griffin, Harty, Audrey: Books](https://m.media-amazon.com/images/I/71DIAaZPXUS._AC_UF1000,1000_QL80_.jpg)
Amazon.com: World War One: WWI History told from the Trenches, Seas, Skies, and Desert of a War Torn World (The Great War Series): 9798709856219: Wrinn, Daniel, Smith, Griffin, Harty, Audrey: Books
![Amazon.com: The Great War: A Combat History of the First World War: 9780190227357: Hart, Peter: Books Amazon.com: The Great War: A Combat History of the First World War: 9780190227357: Hart, Peter: Books](https://m.media-amazon.com/images/I/61rC-HTCWzL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: The Great War: A Combat History of the First World War: 9780190227357: Hart, Peter: Books
![World War I (WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars,[5] was a global war originating in Europe that lasted World War I (WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars,[5] was a global war originating in Europe that lasted](https://c8.alamy.com/comp/2AHGRTM/world-war-i-wwi-or-ww1-also-known-as-the-first-world-war-the-great-war-or-the-war-to-end-all-wars-5-was-a-global-war-originating-in-europe-that-lasted-from-28-july-1914-to-11-november-1918-more-than-70-million-military-personnel-including-60-million-europeans-were-mobilised-in-one-of-the-largest-wars-in-historyover-nine-million-combatants-and-seven-million-civilians-died-as-a-result-of-the-war-including-the-victims-of-a-number-of-genocides-a-casualty-rate-exacerbated-by-the-belligerents-technological-and-industrial-sophistication-2AHGRTM.jpg)
World War I (WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars,[5] was a global war originating in Europe that lasted
![World War I (WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars,[5] was a global war originating in Europe that lasted World War I (WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars,[5] was a global war originating in Europe that lasted](https://c8.alamy.com/comp/2ARE0XK/world-war-i-wwi-or-ww1-also-known-as-the-first-world-war-the-great-war-or-the-war-to-end-all-wars-5-was-a-global-war-originating-in-europe-that-lasted-from-28-july-1914-to-11-november-1918-more-than-70-million-military-personnel-including-60-million-europeans-were-mobilised-in-one-of-the-largest-wars-in-historyover-nine-million-combatants-and-seven-million-civilians-died-as-a-result-of-the-war-including-the-victims-of-a-number-of-genocides-a-casualty-rate-exacerbated-by-the-belligerents-technological-and-industrial-sophistication-and-the-tactical-stalemate-caused-by-gruelling-t-2ARE0XK.jpg)