Oops, it doesn't look like 'police dog trials day' is a national day..

Other days

kiss a ginger

Kiss A Ginger Day
self care

Self Care Day
first love

First Love Day
girl friend

Girl Friend Day
cursing

Cursing Day
buddy

Buddy Day
prosecco

Prosecco Day
youth

Youth Day
unicorn

Unicorn Day
ruby

Ruby Day