Why is "North American Figure Skating Championships" trending?

Wikipedia Overview

The North American Figure Skating Championships were a biennial figure skating competition, which took place between 1923 and 1971. Although sanctioned by the International Skating Union (ISU), they were actually a joint venture of the Canadian Figure Skating Association and the United States Figure Skating Association. The first North American Championships were held in 1923 in Ottawa, Canada, and featured men's singles, women's singles, pair skating, and four skating. The championships were held every other year, with Canada and the United States alternating as hosts, as only skaters from those countries were eligible to compete. The championships were interrupted only once, in 1943, due to World War II. Ice dance was added as an event in 1947, while four skating was retired after 1949. The last edition was held in Peterborough, Canada, in 1971, after which Canada discontinued their involvement in order to launch their own international competition, the Skate Canada International.