Oops, it doesn't look like 'build the wall day' is a national day..

Other days

nae nae

Nae Nae Day
pampering

Pampering Day
coffee

Coffee Day
cuddle up

Cuddle Up Day
gum

Gum Day
pick me

Pick Me Day
youth

Youth Day
donate your hair

Donate Your Hair Day
bounce

Bounce Day
get funky

Get Funky Day