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

Slime Day

Cat Girl Day

Special Education Day

Promposal Day

Chocolate Milkshake Day

Pampering Day

Ask Out Your Crush Day

Kiss A Ginger Day

Ride The Wind Day

Azonto Is Acceptable Day