Oops, it doesn't look like 'newspapers on the same day' is a national day..

Other days

Get Funky Day

Hot Chocolate Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Slime Day

Eat What You Want Day

Gallery Day

Appreciate Yaself A Lil Extra Day

Reading Day

Lash Day

Tell Ur Crush You Like Them Day