Oops, it doesn't look like 'mcdelivery day' is a national day..

Other days

ask out your crush

Ask Out Your Crush Day
pick me

Pick Me Day
self care

Self Care Day
hoodie

Hoodie Day
cuddle up

Cuddle Up Day
reading

Reading Day
comfy

Comfy Day
me

Me Day
china

China Day
gum

Gum Day