Oops, it doesn't look like 'cemetary on veterans day' is a national day..

Other days

gum

Gum Day
stud

Stud Day
bonang

Bonang Day
nae nae

Nae Nae Day
martini

Martini Day
slime

Slime Day
kiss a ginger

Kiss A Ginger Day
camera

Camera Day
lumpy rug

Lumpy Rug Day
ponytail

Ponytail Day