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

Other days

comfy

Comfy Day
china

China Day
ride the wind

Ride The Wind Day
first love

First Love Day
girl friend

Girl Friend Day
nae nae

Nae Nae Day
gallery

Gallery Day
reading

Reading Day
hiv awareness

Hiv Awareness Day
aloxolt

Aloxolt Day