What did they call the forties?

The 1940s are often referred to as the "Forties." This decade was marked by significant historical events, including World War II and its aftermath, which influenced culture, politics, and society. In the United States, the era also saw the rise of the "Greatest Generation," as many individuals contributed to the war effort. Additionally, the decade is known for its distinct fashion, music, and the beginnings of the post-war economic boom.