Oops, it doesn't look like 'depression screening depression screening day' is a national day..

Other days

bow tie

Bow Tie Day
tulip

Tulip Day
nae nae

Nae Nae Day
boyfriend

Boyfriend Day
reading

Reading Day
unicorn

Unicorn Day
my little pony

My Little Pony Day
artists

Artists Day
latina equal pay

Latina Equal Pay Day
eat what you want

Eat What You Want Day