Oops, it doesn't look like 'Fhs End Of The Year Dress Down day' is a national day..

Other days

gallery

Gallery Day

slime

Slime Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

prescription drug take back

Prescription Drug Take Back Day

lumpy rug

Lumpy Rug Day

Emoji Day

stress awareness

Stress Awareness Day

raise awerness of zeus

Raise Awerness Of Zeus Day

pick me

Pick Me Day

lost sock memorial

Lost Sock Memorial Day