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

Other days

bow tie

Bow Tie Day
first love

First Love Day
girl friend

Girl Friend Day
comfy

Comfy Day
gum

Gum Day
kiss a ginger

Kiss A Ginger Day
pick me

Pick Me Day
brow

Brow Day
singles

Singles Day
blanket fort

Blanket Fort Day