Oops, it doesn't look like 'Give Stuff Away day' is a national day..

Other days

ruby

Ruby Day
special education

Special Education Day
coffee

Coffee Day
hoodie

Hoodie Day
cat girl

Cat Girl Day
lumpy rug

Lumpy Rug Day
get funky

Get Funky Day
gallery

Gallery Day
bonang

Bonang Day
kale

Kale Day