Oops, it doesn't look like 'missing cliff burton day' is a national day..

Other days

youth

Youth Day

Me Day

stress awareness

Stress Awareness Day

one

One Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

artists

Artists Day

ruby

Ruby Day

coffee

Coffee Day

tell ur crush you like them

Tell Ur Crush You Like Them Day

polyamory

Polyamory Day