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

Other days

lash

Lash Day

law

Law Day

self care

Self Care Day

slime

Slime Day

pumpkin

Pumpkin Day

ruby

Ruby Day

stress awareness

Stress Awareness Day

believe

Believe Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

embarrass your best friend

Embarrass Your Best Friend Day