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

Other days

aloxolt

Aloxolt Day
tell a fairytale

Tell A Fairytale Day
self appreciation

Self Appreciation Day
lost sock memorial

Lost Sock Memorial Day
stress awareness

Stress Awareness Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
carpenters

Carpenters Day
one

One Day
ask out your crush

Ask Out Your Crush Day
blanket fort

Blanket Fort Day