Oops, it doesn't look like 'kissing be bitter day' is a national day..

Other days

self care

Self Care Day
self appreciation

Self Appreciation Day
stress awareness

Stress Awareness Day
polyamory

Polyamory Day
kiss a ginger

Kiss A Ginger Day
camera

Camera Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
ask out your crush

Ask Out Your Crush Day
pick me

Pick Me Day
one

One Day