Oops, it doesn't look like 'league south action on boxing day' is a national day..

Other days

boba

Boba Day
slime

Slime Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
tell a fairytale

Tell A Fairytale Day
china

China Day
nae nae

Nae Nae Day
fiancee

Fiancee Day
blanket fort

Blanket Fort Day
ask out your crush

Ask Out Your Crush Day
self appreciation

Self Appreciation Day