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

Other days

offer

Offer Day
lash

Lash Day
blanket fort

Blanket Fort Day
brow

Brow Day
coffee

Coffee Day
self appreciation

Self Appreciation Day
kiss a ginger

Kiss A Ginger Day
martini

Martini Day
get funky

Get Funky Day
china

China Day