Higashi-ku, Nishi-ku, and Teine-ku. The expansion of Sapporo continued, with the merger of Toyohira Town in 1961, and Teine Town in 1967, each became as a part of Toyohira-ku, Kiyota-ku, and Teine-ku.
The ceremony commemorating the 100th anniversary of the foundation of Sapporo and Hokkaido was held in 1968. The Sapporo Municipal Subway system was inaugurated in 1971, which made Sapporo the fourth city in Japan to have a subway system. From February 3 to 13, 1972, the 1972 Winter Olympics were held, the first Winter Olympics held in Asia. On April 1 of the same year, Sapporo was designated as one of the cities designated by government ordinance, and seven wards were established. The last ever public performance by the opera singer, Maria Callas, was in Sapporo at the Hokkaido Koseinenkin Kaikan on 11 November 1974. The Sapporo Municipal Subway was expanded when the T?zai line started its operation in 1976, and T?ho line was opened in 1988. In 1989, Atsubetsu-ku and Teine-ku were separated from Shiroishi-ku and Nishi-ku. Annual events in Sapporo were started, such as the Pacific Music Festival in 1990, and Yosakoi S?ran Festival in 1992. A professional football club, Consadole Sapporo, was established in 1996. In 1997, Kiyota-ku was separated from Toyohira-ku. In the same year, Hokkaid? Takushoku Bank, a Hokkaid? based bank with headquarters in Odori, went bankrupt.
21st century
In 2001 the construction of the Sapporo Dome was completed, and in 2002 the Dome hosted three games during the 2002 FIFA World Cup; Germany vs Saudi Arabia, Argentina vs England and Italy vs Ecuador, all of which were in the first round. The present mayor of Sapporo, Fumio Ueda, was elected as the mayor for the first time in 2003. Sapporo became the home to a Nippon Professional Baseball team, Hokkaido Nippon-Ham Fighters, in 2004, which won the 2006 Japan Series, and the victory parade was held on Ekimae-D?ri (a street in front of Sapporo Station) in February
