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

Other days

bow tie

Bow Tie Day
nae nae

Nae Nae Day
prescription drug take back

Prescription Drug Take Back Day
youth

Youth Day
boyfriend

Boyfriend Day
self appreciation

Self Appreciation Day
buddy

Buddy Day
lash

Lash Day
stress awareness

Stress Awareness Day
raise awerness of zeus

Raise Awerness Of Zeus Day