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

Other days

reading

Reading Day
bounce

Bounce Day
first love

First Love Day
stud

Stud Day
bow tie

Bow Tie Day
bubble bath

Bubble Bath Day
aloxolt

Aloxolt Day
ormille

Ormille Day
ponytail

Ponytail Day
healing

Healing Day