The U.S. Army is older than the country it serves and protects. The Army is set to celebrate its 250 th birthday Saturday, which will be marked by a festival and military parade in Washington, D.C.
Originally, the U.S. Army Center of Military History planned to close 29 army museums across the country by 2029.
The 20th century marked a major turning point in the nature of warfare. The murmurs of industrialized warfare were being felt as early as the 1840s, but the First World War was a shock to the system.