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

Other days

lash

Lash Day
fiancee

Fiancee Day
stress awareness

Stress Awareness Day
tulip

Tulip Day
bounce

Bounce Day
get funky

Get Funky Day
coffee

Coffee Day
bow tie

Bow Tie Day
hannah

Hannah Day
artists

Artists Day