Oops, it doesn't look like 'guard stops to pose for a photo of their first day' is a national day..

Other days

Cuddle Up Day

Ask Out Your Crush Day

Tell A Fairytale Day

Kiss A Ginger Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Bow Tie Day

Ruby Day

Fiancee Day

Ponytail Day

Aloxolt Day