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

Other days

lash

Lash Day
bow tie

Bow Tie Day
pumpkin

Pumpkin Day
get funky

Get Funky Day
carpenters

Carpenters Day
gum

Gum Day
ride the wind

Ride The Wind Day
youth

Youth Day
mean girls

Mean Girls Day
bounce

Bounce Day