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

Other days

bubble bath

Bubble Bath Day

believe

Believe Day

comfy

Comfy Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

hiv awareness

Hiv Awareness Day

Emoji Day

special education

Special Education Day

cuddle up

Cuddle Up Day

tell a fairytale

Tell A Fairytale Day

azonto is acceptable

Azonto Is Acceptable Day