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

Other days

lisp

Lisp Day
tell a fairytale

Tell A Fairytale Day
frozen yogurt

Frozen Yogurt Day
promposal

Promposal Day
pick me

Pick Me Day
self appreciation

Self Appreciation Day
self care

Self Care Day
bow tie

Bow Tie Day
blanket fort

Blanket Fort Day
first love

First Love Day