When was the post great war years?

The post-Great War years refer to the period following World War I, which ended on November 11, 1918. This era is generally considered to span from 1918 until the onset of the Great Depression in the late 1920s, although some historians extend it to the early 1930s. This time was marked by significant political, social, and economic changes, including the Treaty of Versailles in 1919 and the emergence of new national borders and ideologies in Europe and beyond.