Oops, it doesn't look like 'Athletics Championship Start In Chennai day' is a national day..

Other days

believe

Believe Day
bubble bath

Bubble Bath Day
me

Me Day
hiv awareness

Hiv Awareness Day
azonto is acceptable

Azonto Is Acceptable Day
eat what you want

Eat What You Want Day
hoodie

Hoodie Day
comfy

Comfy Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
raise awerness of zeus

Raise Awerness Of Zeus Day