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

Other days

youth

Youth Day
lumpy rug

Lumpy Rug Day
ride the wind

Ride The Wind Day
gum

Gum Day
frozen yogurt

Frozen Yogurt Day
hannah

Hannah Day
aloxolt

Aloxolt Day
law

Law Day
pick me

Pick Me Day
ormille

Ormille Day