Oops, it doesn't look like 'league after dover defeat on final day' is a national day..

Other days

reading

Reading Day
self appreciation

Self Appreciation Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
self care

Self Care Day
bounce

Bounce Day
prosecco

Prosecco Day
first love

First Love Day
fiancee

Fiancee Day
martini

Martini Day
slime

Slime Day