The World Junior-B Curling Championships are an annual curling bonspiel. Its curling team won first in the Legion auxiliary zone district curling bonspiel in 1982. In 1994, she won the Toronto Curling Association Junior bonspiel. A bonspiel is a curling tournament, consisting of several games, often held on a weekend. The Continental Cup of Curling is the best-known bonspiel to utilize the skins format. In the final match of the bonspiel, the rink once again meets Yount's rink. It took the Martin rink until December 2010 to win another major bonspiel. Points are primarily earned by hosting and/or competing in a collegiate bonspiel. Typical winter phenomena include the bonspiel (January) thaw, ice fog, and the aurora borealis. The Valley is host to the biggest outdoor bonspiel in Canada every January. The most recent national bonspiel, the 66th, was held on 13-14 July 2015. The Band was opened the Tri-Service Bonspiel in Kingston. Her team won the 2010 Cornerstone Credit Union Ladies Cash Bonspiel. The province also hosts the world's largest curling tournament in the MCA Bonspiel. It became known as the Norma Olson Bonspiel during the 1974-75 season.