Oops, it doesn't look like 'TitleNahProbably NotWhat A Sucky Sports day' is a national day..

Other days

slime

Slime Day
boba

Boba Day
coffee

Coffee Day
polyamory

Polyamory Day
tell a fairytale

Tell A Fairytale Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
gum

Gum Day
chocolate milkshake

Chocolate Milkshake Day
ride the wind

Ride The Wind Day
raise awerness of zeus

Raise Awerness Of Zeus Day