Oops, it doesn't look like 'aggravate a pro mc day' is a national day..

Other days

fiancee

Fiancee Day
cat girl

Cat Girl Day
prosecco

Prosecco Day
ride the wind

Ride The Wind Day
pick me

Pick Me Day
hoodie

Hoodie Day
slime

Slime Day
cuddle up

Cuddle Up Day
boba

Boba Day
lumpy rug

Lumpy Rug Day