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

Other days

artists

Artists Day
slime

Slime Day
fiancee

Fiancee Day
law

Law Day
tulip

Tulip Day
azonto is acceptable

Azonto Is Acceptable Day
bonang

Bonang Day
blanket fort

Blanket Fort Day
kale

Kale Day
lumpy rug

Lumpy Rug Day