When Knitting Was a Patriotic Duty: The Wool Brigades of World War I

Volunteer knitters - men and women of various ages and races - dedicated two million hours, nearly 230 years' worth of labor, in the eighteen months the United States was at war. By its end, 45 million pounds of wool were used to make 22 million garments to support soldiers stationed domestically and overseas. Learn more about the nation-wide knitting campaigns with this article by Atlas Obscura.