Oops, it doesn't look like 'Fuck Everybody Who Claims To Be A Real Friend But Is Full Of Shit day' is a national day..

Other days

Gum Day

Aloxolt Day

Ask Out Your Crush Day

Girl Friend Day

My Little Pony Day

Azonto Is Acceptable Day

Me Day

Frozen Yogurt Day

Lash Day

Tell Ur Crush You Like Them Day