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

Other days

blanket fort

Blanket Fort Day
self appreciation

Self Appreciation Day
cuddle up

Cuddle Up Day
comfy

Comfy Day
prosecco

Prosecco Day
one

One Day
lash

Lash Day
bounce

Bounce Day
polyamory

Polyamory Day
martini

Martini Day