United States Army

Some of the key events about United States Army

• 1775

  Established to defend the newly formed United States during the American Revolutionary War
• 1803

  Played a crucial role in the Lewis and Clark Expedition, exploring and mapping the western United States
• 1838

  Forcibly removed thousands of Cherokee Indians from their ancestral lands in the "Trail of Tears"
• 1863

  Emancipated slaves were officially allowed to join the Union Army during the Civil War
• 1864

  Soldiers massacred hundreds of peaceful Cheyenne and Arapaho at Sand Creek, Colorado
• 1890

  U.S. Army killed over 150 Lakota Sioux, mostly women and children, at Wounded Knee
• 1898

  Contributed significantly to the Spanish-American War, leading to the liberation of Cuba
• 1899-1902

  Engaged in a brutal counterinsurgency campaign in the Philippines, resulting in thousands of civilian deaths
• 1918

  Helped turn the tide of World War I with its involvement in major battles on the Western Front
• 1932

  Used force to disperse the "Bonus Army" of World War I veterans protesting in Washington, D.C.
• 1942

  Participated in the forced relocation and internment of Japanese Americans during World War II
• 1944

  Spearheaded the D-Day invasion, a pivotal moment in World War II
• 1948

  Racially integrated all units, two years before the rest of the U.S. military
• 1950

  Played a crucial role in defending South Korea during the Korean War
• 1950-1953

  Involved in the No Gun Ri massacre of South Korean refugees during the Korean War
• 1968

  Soldiers massacred hundreds of unarmed Vietnamese civilians in the My Lai Massacre
• 1969

  Established the Environmental Program, focusing on conservation and environmental protection
• 2003

  Participated in the invasion of Iraq based on faulty intelligence about weapons of mass destruction
• 2004

  Soldiers were involved in the abuse and torture of prisoners at Abu Ghraib prison in Iraq
• 2010

  Provided extensive humanitarian aid and disaster relief following the Haiti earthquake

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