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

Other days

blanket fort

Blanket Fort Day
gum

Gum Day
bubble bath

Bubble Bath Day
china

China Day
reading

Reading Day
kale

Kale Day
self care

Self Care Day
cuddle up

Cuddle Up Day
offer

Offer Day
martini

Martini Day