"Rosie the Riveter" was a song, written by Redd Evans and John Jacob Loebin in 1942, about a woman working in a factory to aid the war effort. The song quickly gained popularity and the name became a nickname for all women working in war industries. Women were vital to American war production, working in shipyards, steel mills, foundries, and warehouses. These jobs were so important that many propaganda posters were made to encourage women to work, even in jobs traditionally held mostly or exclusively by men. After the war, just like after World War I, the jobs were reclaimed by the returning soldiers, and the women were pushed back into the home.