Sports in North America Canadian Confederation in 1867. As for the United States, it became the center of professional boxing in the early 20th century. The major world sanctioning bodies in boxing are based in North America: the International Boxing Federation (Springfield, New Jersey), the World Boxing Association (Panama City), the World Boxing Council (Mexico City), and the World Boxing Organization (San Juan, Puerto Rico). A few North American countries hold their own Triple Crown of Thoroughbred Racing series. The Triple Crown in the United States consists of the Kentucky Derby, the Preakness Stakes, and the Belmont Stakes. The Canadian Triple Crown has the
Largest cities in Japan by population by decade losses and exceeded their prewar populations. Source data is from the 1960 Census. Tokyo and Osaka began to experience a trend of suburbanization, as people left the cities for the less densely peopled surrounding municipalities. Other major cities continued to grow rapidly. Source data is from the 1970 Census. Source data is from the 1980 Census. By 1990, almost all the largest Japanese cities had assumed their present-day population ranking. Source data is from the 1990 Census. By 2000, the ongoing suburbanization drawing population from Tōkyō and Ōsaka was showing signs of abating, with people slowly moving back into the