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

Other days

cuddle up

Cuddle Up Day
unicorn

Unicorn Day
slime

Slime Day
ponytail

Ponytail Day
lost sock memorial

Lost Sock Memorial Day
chocolate milkshake

Chocolate Milkshake Day
bow tie

Bow Tie Day
self appreciation

Self Appreciation Day
self care

Self Care Day
boba

Boba Day