Oops, it doesn't look like 'kissing forever alone day' is a national day..

Other days

one

One Day
get funky

Get Funky Day
tulip

Tulip Day
promposal

Promposal Day
boba

Boba Day
hoodie

Hoodie Day
brow

Brow Day
my little pony

My Little Pony Day
slime

Slime Day
ride the wind

Ride The Wind Day