Oops, it doesn't look like 'botanical garden for free on nelson mandela day' is a national day..

Other days

ormille

Ormille Day
pampering

Pampering Day
pumpkin

Pumpkin Day
donate your hair

Donate Your Hair Day
tell a fairytale

Tell A Fairytale Day
latina equal pay

Latina Equal Pay Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
frozen yogurt

Frozen Yogurt Day
azonto is acceptable

Azonto Is Acceptable Day
eat what you want

Eat What You Want Day