Back in 1982, then-President Ronald Reagan signed Proclamation #4976, declaring September as National Sewing Month:
"Tens of millions of Americans sew at home. Their efforts demonstrate the industry, the skill and the self-reliance which are so characteristic of this Nation. In recognition of the importance of home sewing to our economy the Congress has, by Senate Joint Resolution 205, designated September, 1982, as National Sewing Month...."
Read the History of National Sewing Month - PDF file