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

Other days

Youth Day

Comfy Day

Tell A Fairytale Day

Tell Ur Crush You Like Them Day

Promposal Day

Kiss A Ginger Day

Emoji Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Embarrass Your Best Friend Day

Frozen Yogurt Day