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

Other days

hiv awareness

Hiv Awareness Day
pampering

Pampering Day
believe

Believe Day
pumpkin

Pumpkin Day
singles

Singles Day
get funky

Get Funky Day
kiss a ginger

Kiss A Ginger Day
ruby

Ruby Day
slime

Slime Day
lash

Lash Day