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

Other days

ask out your crush

Ask Out Your Crush Day
hiv awareness

Hiv Awareness Day
cuddle up

Cuddle Up Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
frozen yogurt

Frozen Yogurt Day
coffee

Coffee Day
unicorn

Unicorn Day
self appreciation

Self Appreciation Day
promposal

Promposal Day
my little pony

My Little Pony Day