Oops, it doesn't look like 'stadium set up day' is a national day..

Other days

bonang

Bonang Day
self appreciation

Self Appreciation Day
believe

Believe Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
singles

Singles Day
tulip

Tulip Day
promposal

Promposal Day
boy friend

Boy Friend Day
artists

Artists Day
cuddle up

Cuddle Up Day