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

Other days

artists

Artists Day
law

Law Day
stress awareness

Stress Awareness Day
ride the wind

Ride The Wind Day
blanket fort

Blanket Fort Day
frozen yogurt

Frozen Yogurt Day
pick me

Pick Me Day
boba

Boba Day
aloxolt

Aloxolt Day
self care

Self Care Day