Oops, it doesn't look like 'do something kind for someone day' is a national day..

Other days

hiv awareness

Hiv Awareness Day
me

Me Day
believe

Believe Day
singles

Singles Day
bubble bath

Bubble Bath Day
kale

Kale Day
artists

Artists Day
carpenters

Carpenters Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
first love

First Love Day