Oops, it doesn't look like 'park for free on public lands day' is a national day..

Other days

special education

Special Education Day
blanket fort

Blanket Fort Day
pampering

Pampering Day
stress awareness

Stress Awareness Day
azonto is acceptable

Azonto Is Acceptable Day
me

Me Day
lumpy rug

Lumpy Rug Day
youth

Youth Day
hiv awareness

Hiv Awareness Day
boba

Boba Day