Oops, it doesn't look like 'data manipulation day' is a national day..

Other days

nae nae

Nae Nae Day

youth

Youth Day

camera

Camera Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

Emoji Day

one

One Day

lumpy rug

Lumpy Rug Day

china

China Day

first love

First Love Day

hiv awareness

Hiv Awareness Day