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

Other days

unicorn

Unicorn Day

self appreciation

Self Appreciation Day

first love

First Love Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

girl friend

Girl Friend Day

bow tie

Bow Tie Day

book

Book Day

self care

Self Care Day

Emoji Day

camera

Camera Day