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

Other days

hannah

Hannah Day

Emoji Day

boy friend

Boy Friend Day

stud

Stud Day

artists

Artists Day

ask out your crush

Ask Out Your Crush Day

self appreciation

Self Appreciation Day

aloxolt

Aloxolt Day

kiss a brunette

Kiss A Brunette Day

girl friend

Girl Friend Day