Oops, it doesn't look like 'coin weekour second coin of the day' is a national day..

Other days

ruby

Ruby Day
my little pony

My Little Pony Day
bonang

Bonang Day
ormille

Ormille Day
self care

Self Care Day
donate your hair

Donate Your Hair Day
kiss a brunette

Kiss A Brunette Day
lisp

Lisp Day
frozen yogurt

Frozen Yogurt Day
kiss a ginger

Kiss A Ginger Day