Oops, it doesn't look like 'i hate olivia day' is a national day..

Other days

ruby

Ruby Day
blanket fort

Blanket Fort Day
bounce

Bounce Day
law

Law Day
nae nae

Nae Nae Day
reading

Reading Day
bonang

Bonang Day
frozen yogurt

Frozen Yogurt Day
gum

Gum Day
hannah

Hannah Day