The American Expeditionary Force was the U.S. armed forces that were sent to fight in Europe during World War 1. It was the first time in the history of America that the U.S. sent troops abroad to help defend other countries. The U.S. started out with an army of 127,500 military personnel when it declared war against Germany on April 6, 1917, but by  the end of the war over 4,000,000 people had served in the U.S. army.

Where Did the American Expeditionary Forces Fight?

The American Expeditionary Forces were sent to all the campaigns the U.S. got involved in. By the time, the weary French and British troops were badly in need of relief. The first American soldiers reached Europe in June 1917 already, but only started fully participating in October in Nancy, France. The U.S. wanted its forces to be capable of operating independently, but didn’t have the necessary supplies and trained troops in Europe yet at the time.

  • The AEF fought in France against the German Forces, along with French and English allies.
  • Some fought in Italy against the Austro-Hungarian troops.
  • The AEF also fought on the Western Front at Belleau Wood and Chateau-Thierry, helping the French with the Aisne Offensive as well as other major offensives such as Meuse-Argonne and Saint Mihiel.

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