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

Other days

buddy

Buddy Day
comfy

Comfy Day
offer

Offer Day
kiss a ginger

Kiss A Ginger Day
gum

Gum Day
ruby

Ruby Day
bonang

Bonang Day
hot chocolate

Hot Chocolate Day
get funky

Get Funky Day
believe

Believe Day