Oops, it doesn't look like 'wear a life jacket to work day' is a national day..

Other days

promposal

Promposal Day
azonto is acceptable

Azonto Is Acceptable Day
kiss a brunette

Kiss A Brunette Day
boyfriend

Boyfriend Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
martini

Martini Day
aloxolt

Aloxolt Day
me

Me Day
lost sock memorial

Lost Sock Memorial Day
kiss a ginger

Kiss A Ginger Day