1917  U.S. Enters World War I
1920s  Sheep Industry Flourishes in Utah
Agriculture in the 1930s
1930s  Grantsville Dust Bowl
1934  Taylor Grazing Act of 1934
1939-1945  World War II: Utah's War Effort at Home
Agriculture in the 1920s
1921  The Utah Department of Agriculture and Food (UDAF) is Created
1929  The Great Depression Begins
1932  The New Deal Begins
Agriculture in the 1940s
1946  Congress Establishes the Bureau of Land Management