Oops, it doesn't look like 'single malt scotch blended scotch day' is a national day..

Other days

singles

Singles Day
prosecco

Prosecco Day
slime

Slime Day
ormille

Ormille Day
self appreciation

Self Appreciation Day
me

Me Day
reading

Reading Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
cuddle up

Cuddle Up Day
camera

Camera Day