Oops, it doesn't look like 'Offend Someone Then Take It Back day' is a national day..

Other days

artists

Artists Day
blanket fort

Blanket Fort Day
bow tie

Bow Tie Day
bounce

Bounce Day
bubble bath

Bubble Bath Day
special education

Special Education Day
hoodie

Hoodie Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
coffee

Coffee Day
pick me

Pick Me Day