Complex sentence: The following Jamboree was held at Rinkaby in Sweden, opening on 27 July 2011, followed in 2015 by Japan, and the Jamboree in 2019 will be at The Summit Bechtel Family National Scout Reserve in West Virginia.
Split into simpler sentences: The following Jamboree was held at Rinkaby in Sweden, opening on 27 July 2011. The Jamboree in 2015 will be in Japan and the Jamboree in 2019 will be at The Summit Bechtel Family National Scout Reserve in West Virginia.