Oops, it doesn't look like 'park holds remembrance day' is a national day..

Other days

first love

First Love Day
offer

Offer Day
bow tie

Bow Tie Day
pick me

Pick Me Day
cursing

Cursing Day
aloxolt

Aloxolt Day
donate your hair

Donate Your Hair Day
ruby

Ruby Day
law

Law Day
cat girl

Cat Girl Day