Oops, it doesn't look like 'title to open day' is a national day..

Other days

healing

Healing Day
hoodie

Hoodie Day
aloxolt

Aloxolt Day
offer

Offer Day
eat what you want

Eat What You Want Day
martini

Martini Day
ruby

Ruby Day
nae nae

Nae Nae Day
stud

Stud Day
ask out your crush

Ask Out Your Crush Day