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

Other days

kale

Kale Day
bounce

Bounce Day
hiv awareness

Hiv Awareness Day
youth

Youth Day
boba

Boba Day
lash

Lash Day
ask out your crush

Ask Out Your Crush Day
reading

Reading Day
hoodie

Hoodie Day
ruby

Ruby Day