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

Other days

polyamory

Polyamory Day
offer

Offer Day
latina equal pay

Latina Equal Pay Day
law

Law Day
nae nae

Nae Nae Day
first love

First Love Day
bow tie

Bow Tie Day
carpenters

Carpenters Day
youth

Youth Day
stud

Stud Day