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

Other days

prosecco

Prosecco Day
blanket fort

Blanket Fort Day
kiss a brunette

Kiss A Brunette Day
bonang

Bonang Day
hannah

Hannah Day
lumpy rug

Lumpy Rug Day
boy friend

Boy Friend Day
frozen yogurt

Frozen Yogurt Day
hiv awareness

Hiv Awareness Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day