Oops, it doesn't look like 'siren marking holocaust remembrance day' is a national day..

Other days

Emoji Day

lost sock memorial

Lost Sock Memorial Day

kiss a ginger

Kiss A Ginger Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

aloxolt

Aloxolt Day

ponytail

Ponytail Day

stud

Stud Day

blanket fort

Blanket Fort Day

self care

Self Care Day

azonto is acceptable

Azonto Is Acceptable Day