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

Other days

bow tie

Bow Tie Day
youth

Youth Day
hannah

Hannah Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
healing

Healing Day
law

Law Day
self care

Self Care Day
eat what you want

Eat What You Want Day
brow

Brow Day
self appreciation

Self Appreciation Day