Oops, it doesn't look like 'grid says there could be a gas deficit in britain by the end of the day' is a national day..

Other days

bow tie

Bow Tie Day
kale

Kale Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
ask out your crush

Ask Out Your Crush Day
me

Me Day
coffee

Coffee Day
tulip

Tulip Day
lisp

Lisp Day
emoji

Emoji Day
bubble bath

Bubble Bath Day