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

Other days

chocolate milkshake

Chocolate Milkshake Day
reading

Reading Day
buddy

Buddy Day
boy friend

Boy Friend Day
lash

Lash Day
nae nae

Nae Nae Day
lumpy rug

Lumpy Rug Day
ormille

Ormille Day
comfy

Comfy Day
ruby

Ruby Day