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

Other days

ruby

Ruby Day
kiss a ginger

Kiss A Ginger Day
martini

Martini Day
nae nae

Nae Nae Day
bonang

Bonang Day
latina equal pay

Latina Equal Pay Day
pampering

Pampering Day
ask out your crush

Ask Out Your Crush Day
bow tie

Bow Tie Day
one

One Day