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
History of the Jews in Pittsburgh North America." Squirrel Hill contains three Jewish day schools, catering to the Lubavich, Orthodox, and Conservative movements. There are over twenty synagogues. The Jewish community also offers four restaurants, a Jewish Community Center and an annual festival. It is estimated that one-fifth of the population of Squirrel Hill is Jewish. History of the Jews in Pittsburgh Jewish history of Pittsburgh, the second largest city in the state of Pennsylvania, United States, and the chief city of Western Pennsylvania. According to the 2002 Pittsburgh Jewish Community Study, "Jewish households represent 3.8% of the total number of households living in Allegheny County."