According to Holiday Insights:
When : June 13th and September 10th
Sewing Machine Day celebrates a very important invention ----- the sewing machine. The first sewing machines were made in France in the 1830s.
It wasn't until 1846, that they were patented in the U.S.
What a great invention.
Prior to it's creation, clothes items were sewn together by hand...stitch by stitch.