Oops, it doesn't look like 'service has just made my day' is a national day..

Other days

ask out your crush

Ask Out Your Crush Day
prosecco

Prosecco Day
boy friend

Boy Friend Day
believe

Believe Day
carpenters

Carpenters Day
first love

First Love Day
stress awareness

Stress Awareness Day
ruby

Ruby Day
donate your hair

Donate Your Hair Day
hiv awareness

Hiv Awareness Day