Question: Where did the we can do it poster come from?
Disambiguated questions and answers: question: What time period did the we can do it poster come from?
What is the origin of the we can do it poster?
answer: American World War II wartime
produced by J. Howard Miller in 1943 for Westinghouse Electric as an inspirational image to boost female worker morale
Natural Questions answer: Rosie the Riveter (from the Wikipedia article "We Can Do It!")