Volley gun
The Ribauldequin was a medieval version of the volley gun. It had its barrels set up in parallel. This early version was first employed during the Hundred Years' War by the army of Edward III of England, in 1339. Later on, the late Swiss army employed it.
Beach volleyball
The first professional beach volleyball tournament was the Olympia World Championship of Beach Volleyball, staged on Labor Day weekend, 1976, at Will Rogers State Beach in Pacific Palisades, California. The event was organized by David Wilk of "Volleyball" magazine, based in Santa Barbara. The winners, the first "world champions", were Greg Lee and Jim Menges. They split US$2,500 out of a total prize purse of US$5,000.