Oops, it doesn't look like 'mobile food vendor day' is a national day..

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
emoji

Emoji Day
hannah

Hannah Day
chocolate milkshake

Chocolate Milkshake Day
self appreciation

Self Appreciation Day
bow tie

Bow Tie Day
ormille

Ormille Day
comfy

Comfy Day
azonto is acceptable

Azonto Is Acceptable Day
buddy

Buddy Day