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

Other days

aloxolt

Aloxolt Day
blanket fort

Blanket Fort Day
special education

Special Education Day
tell a fairytale

Tell A Fairytale Day
tulip

Tulip Day
boy friend

Boy Friend Day
hoodie

Hoodie Day
lash

Lash Day
slime

Slime Day
buddy

Buddy Day