Oops, it doesn't look like 'mall after departing the white house on the final day' is a national day..

Other days

Tell A Fairytale Day

Aloxolt Day

Azonto Is Acceptable Day

Tell Ur Crush You Like Them Day

Singles Day

Donate Your Hair Day

Believe Day

My Little Pony Day

Nae Nae Day

Embarrass Your Best Friend Day