Oops, it doesn't look like 'snap megan your booty pics day' is a national day..

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
bow tie

Bow Tie Day
artists

Artists Day
me

Me Day
polyamory

Polyamory Day
nae nae

Nae Nae Day
azonto is acceptable

Azonto Is Acceptable Day
carpenters

Carpenters Day
pick me

Pick Me Day
fiancee

Fiancee Day