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

Other days

slime

Slime Day
brow

Brow Day
bow tie

Bow Tie Day
fiancee

Fiancee Day
my little pony

My Little Pony Day
stress awareness

Stress Awareness Day
one

One Day
pick me

Pick Me Day
gum

Gum Day
boba

Boba Day