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

Other days

offer

Offer Day
slime

Slime Day
one

One Day
ride the wind

Ride The Wind Day
nail polish

Nail Polish Day
artists

Artists Day
lash

Lash Day
coffee

Coffee Day
lumpy rug

Lumpy Rug Day
special education

Special Education Day