Oops, it doesn't look like 'send art day' is a national day..

Other days

carpenters

Carpenters Day

buddy

Buddy Day

special education

Special Education Day

blanket fort

Blanket Fort Day

Me Day

tell ur crush you like them

Tell Ur Crush You Like Them Day

stress awareness

Stress Awareness Day

pick me

Pick Me Day

appreciate yaself a lil extra

Appreciate Yaself A Lil Extra Day

kiss a ginger

Kiss A Ginger Day