Oops, it doesn't look like 'team and cardiff day' is a national day..

Other days

promposal

Promposal Day
prosecco

Prosecco Day
hoodie

Hoodie Day
boy friend

Boy Friend Day
aloxolt

Aloxolt Day
youth

Youth Day
cursing

Cursing Day
pumpkin

Pumpkin Day
blanket fort

Blanket Fort Day
self care

Self Care Day