Oops, it doesn't look like 'period menopause day' is a national day..

Other days

blanket fort

Blanket Fort Day
hoodie

Hoodie Day
buddy

Buddy Day
bonang

Bonang Day
singles

Singles Day
bow tie

Bow Tie Day
kale

Kale Day
mean girls

Mean Girls Day
coffee

Coffee Day
cursing

Cursing Day