Oops, it doesn't look like 'museums shut for second museums are shut for a second day' is a national day..

Other days

Self Care Day

Carpenters Day

Boba Day

Pumpkin Day

Ride The Wind Day

Lash Day

Tell Ur Crush You Like Them Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Bonang Day

First Love Day