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

Other days

nail polish

Nail Polish Day
boba

Boba Day
blanket fort

Blanket Fort Day
promposal

Promposal Day
lumpy rug

Lumpy Rug Day
kale

Kale Day
cuddle up

Cuddle Up Day
believe

Believe Day
singles

Singles Day
tell a fairytale

Tell A Fairytale Day