Oops, it doesn't look like 'volunteers week and earth day' is a national day..

Other days

self appreciation

Self Appreciation Day
brow

Brow Day
ponytail

Ponytail Day
ruby

Ruby Day
bow tie

Bow Tie Day
stud

Stud Day
promposal

Promposal Day
tulip

Tulip Day
bounce

Bounce Day
pumpkin

Pumpkin Day