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

Other days

carpenters

Carpenters Day

offer

Offer Day

law

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stress awareness

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bonang

Bonang Day

ponytail

Ponytail Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

believe

Believe Day

healing

Healing Day

embarrass your best friend

Embarrass Your Best Friend Day