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

Other days

azonto is acceptable

Azonto Is Acceptable Day
my little pony

My Little Pony Day
bounce

Bounce Day
kiss a ginger

Kiss A Ginger Day
bow tie

Bow Tie Day
cuddle up

Cuddle Up Day
fiancee

Fiancee Day
law

Law Day
kiss a brunette

Kiss A Brunette Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day