Oops, it doesn't look like 'prone owl day' is a national day..

Other days

bow tie

Bow Tie Day
martini

Martini Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
ask out your crush

Ask Out Your Crush Day
aloxolt

Aloxolt Day
believe

Believe Day
slime

Slime Day
hiv awareness

Hiv Awareness Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
raise awerness of zeus

Raise Awerness Of Zeus Day