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

Other days

kale

Kale Day
unicorn

Unicorn Day
pick me

Pick Me Day
blanket fort

Blanket Fort Day
bow tie

Bow Tie Day
brow

Brow Day
prosecco

Prosecco Day
carpenters

Carpenters Day
pumpkin

Pumpkin Day
aloxolt

Aloxolt Day