Oops, it doesn't look like 'clean your github repo day' is a national day..

Other days

tulip

Tulip Day
self care

Self Care Day
fiancee

Fiancee Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
singles

Singles Day
hiv awareness

Hiv Awareness Day
pumpkin

Pumpkin Day
ride the wind

Ride The Wind Day
blanket fort

Blanket Fort Day
polyamory

Polyamory Day