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

Other days

azonto is acceptable

Azonto Is Acceptable Day
emoji

Emoji Day
bow tie

Bow Tie Day
hiv awareness

Hiv Awareness Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
aloxolt

Aloxolt Day
appreciate yaself a lil extra

Appreciate Yaself A Lil Extra Day
first love

First Love Day
artists

Artists Day
nae nae

Nae Nae Day