Oops, it doesn't look like 'farming open day' is a national day..

Other days

lumpy rug

Lumpy Rug Day
tulip

Tulip Day
bow tie

Bow Tie Day
boy friend

Boy Friend Day
camera

Camera Day
believe

Believe Day
frozen yogurt

Frozen Yogurt Day
prosecco

Prosecco Day
ormille

Ormille Day
reading

Reading Day