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

Other days

ruby

Ruby Day
ask out your crush

Ask Out Your Crush Day
bonang

Bonang Day
lisp

Lisp Day
bow tie

Bow Tie Day
boyfriend

Boyfriend Day
law

Law Day
ponytail

Ponytail Day
bubble bath

Bubble Bath Day
lost sock memorial

Lost Sock Memorial Day