Oops, it doesn't look like 'get tested for hiv day' is a national day..

Other days

china

China Day
frozen yogurt

Frozen Yogurt Day
coffee

Coffee Day
nail polish

Nail Polish Day
tulip

Tulip Day
stud

Stud Day
lash

Lash Day
bubble bath

Bubble Bath Day
youth

Youth Day
aloxolt

Aloxolt Day