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

Other days

artists

Artists Day
buddy

Buddy Day
aloxolt

Aloxolt Day
cuddle up

Cuddle Up Day
kale

Kale Day
girl friend

Girl Friend Day
boy friend

Boy Friend Day
gum

Gum Day
coffee

Coffee Day
cursing

Cursing Day