Oops, it doesn't look like 'Vanilla Milkshake Ice Cream Soda HollerinContest day' is a national day..

Other days

blanket fort

Blanket Fort Day
lash

Lash Day
ormille

Ormille Day
bonang

Bonang Day
self appreciation

Self Appreciation Day
boyfriend

Boyfriend Day
gum

Gum Day
azonto is acceptable

Azonto Is Acceptable Day
boy friend

Boy Friend Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day