Oops, it doesn't look like 'spreadsheet cheater day' is a national day..

Other days

bubble bath

Bubble Bath Day
ormille

Ormille Day
azonto is acceptable

Azonto Is Acceptable Day
appreciate yaself a lil extra

Appreciate Yaself A Lil Extra Day
pick me

Pick Me Day
bow tie

Bow Tie Day
special education

Special Education Day
me

Me Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
emoji

Emoji Day