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

Other days

brow

Brow Day
azonto is acceptable

Azonto Is Acceptable Day
bow tie

Bow Tie Day
fiancee

Fiancee Day
boy friend

Boy Friend Day
polyamory

Polyamory Day
hannah

Hannah Day
boba

Boba Day
aloxolt

Aloxolt Day
bounce

Bounce Day