Square dance band; photo by David Cockerham on Flickr (noncommercial use permitted with attribution / no derivative works).
Official State Dance of Oregon
Oregon designated the square dance as the official state dance in 1977. Twenty-two states have adopted the uniquely American square dance as an official state symbol. All State Dances
The square dance provided pioneers with recreation and social contact with neighbors - and is still doing that today! Oregon Blue Book; "The pioneer origins of the dance and the characteristic dress are deemed to reflect Oregon’s heritage; the lively spirit of the dance exemplifies the friendly, free nature and enthusiasm that are a part of the Oregon Character."