Oops, it doesn't look like 'swan queen day' is a national day..

Other days

gallery

Gallery Day
hannah

Hannah Day
martini

Martini Day
artists

Artists Day
camera

Camera Day
coffee

Coffee Day
boy friend

Boy Friend Day
nae nae

Nae Nae Day
lost sock memorial

Lost Sock Memorial Day
lumpy rug

Lumpy Rug Day