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

Other days

lumpy rug

Lumpy Rug Day
aloxolt

Aloxolt Day
slime

Slime Day
lash

Lash Day
special education

Special Education Day
nae nae

Nae Nae Day
promposal

Promposal Day
hiv awareness

Hiv Awareness Day
kiss a ginger

Kiss A Ginger Day
bow tie

Bow Tie Day