During the 1940s, fashion was greatly impacted by World War II, causing a stall in fashion trends. Both men and women were commonly seen in uniforms during this time. However, there is evidence of fashion evolution with a year-by-year timeline and pictures of fashion from 1930-1940. Utility clothing was prevalent for working during this time. Women's fashion went through significant changes after World War I, with flared styles becoming popular. Headwear was iconic during the 1940s, but current European fashion was not available to American women due to the war. Double pleated trousers were a popular style during this time, as seen in illustrations and photos. A recent look back at fashion in 1921 provides insight into real people's fashion choices.