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

Other days

me

Me Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
emoji

Emoji Day
hiv awareness

Hiv Awareness Day
youth

Youth Day
hannah

Hannah Day
camera

Camera Day
fiancee

Fiancee Day
raise awerness of zeus

Raise Awerness Of Zeus Day
ponytail

Ponytail Day