Oops, it doesn't look like 'team plays the same opponent on the same day' is a national day..

Other days

ask out your crush

Ask Out Your Crush Day
raise awerness of zeus

Raise Awerness Of Zeus Day
ride the wind

Ride The Wind Day
ruby

Ruby Day
boy friend

Boy Friend Day
embarrass your best friend

Embarrass Your Best Friend Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
my little pony

My Little Pony Day
bonang

Bonang Day
lash

Lash Day