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

Other days

carpenters

Carpenters Day
bow tie

Bow Tie Day
slime

Slime Day
boy friend

Boy Friend Day
nae nae

Nae Nae Day
cat girl

Cat Girl Day
kiss a ginger

Kiss A Ginger Day
brow

Brow Day
book

Book Day
ponytail

Ponytail Day