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

Other days

boba

Boba Day
bubble bath

Bubble Bath Day
frozen yogurt

Frozen Yogurt Day
kale

Kale Day
nail polish

Nail Polish Day
lash

Lash Day
comfy

Comfy Day
boy friend

Boy Friend Day
blanket fort

Blanket Fort Day
youth

Youth Day