Oops, it doesn't look like 'arboretum for remembrance day' is a national day..

Other days

lash

Lash Day
believe

Believe Day
my little pony

My Little Pony Day
buddy

Buddy Day
martini

Martini Day
first love

First Love Day
one

One Day
brow

Brow Day
kale

Kale Day
bow tie

Bow Tie Day