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

Other days

one

One Day
get funky

Get Funky Day
lumpy rug

Lumpy Rug Day
youth

Youth Day
stud

Stud Day
tell a fairytale

Tell A Fairytale Day
tulip

Tulip Day
buddy

Buddy Day
reading

Reading Day
mean girls

Mean Girls Day