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

Other days

kiss a ginger

Kiss A Ginger Day
kiss a brunette

Kiss A Brunette Day
boyfriend

Boyfriend Day
lash

Lash Day
slime

Slime Day
get funky

Get Funky Day
reading

Reading Day
bounce

Bounce Day
pick me

Pick Me Day
girl friend

Girl Friend Day