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

Other days

bounce

Bounce Day
my little pony

My Little Pony Day
cuddle up

Cuddle Up Day
ride the wind

Ride The Wind Day
gum

Gum Day
artists

Artists Day
tell a fairytale

Tell A Fairytale Day
lash

Lash Day
law

Law Day
bow tie

Bow Tie Day