Felt Hat Day
Felt Hat Day falls on September 15, and the phrase mad as a hatter describes a real occupational illness caused by the mercury used to make felt.
2 holidays
Felt Hat Day falls on September 15, and the phrase mad as a hatter describes a real occupational illness caused by the mercury used to make felt.
Make a Hat Day falls on September 15, and a hat gets its shape from a wooden block rather than from any cutting or sewing of pieces.