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

Other days

gallery

Gallery Day
cuddle up

Cuddle Up Day
my little pony

My Little Pony Day
slime

Slime Day
nae nae

Nae Nae Day
buddy

Buddy Day
china

China Day
get funky

Get Funky Day
aloxolt

Aloxolt Day
stud

Stud Day