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

Other days

law

Law Day
self appreciation

Self Appreciation Day
bounce

Bounce Day
prescription drug take back

Prescription Drug Take Back Day
hiv awareness

Hiv Awareness Day
ormille

Ormille Day
brow

Brow Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
kiss a ginger

Kiss A Ginger Day
stress awareness

Stress Awareness Day