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

Other days

chocolate milkshake

Chocolate Milkshake Day
kiss a brunette

Kiss A Brunette Day
hiv awareness

Hiv Awareness Day
azonto is acceptable

Azonto Is Acceptable Day
nail polish

Nail Polish Day
self appreciation

Self Appreciation Day
stress awareness

Stress Awareness Day
prosecco

Prosecco Day
raise awerness of zeus

Raise Awerness Of Zeus Day
kiss a ginger

Kiss A Ginger Day