'''McDonald's''' is an American fast-food chain specializing in [[hamburger|hamburgers]]. It operates more than 30,000 restaurants in more than 100 countries on 6 continents.<ref>http://www.supersizeme.com/home.aspx?page=bythelb</ref> Although the first McDonald's was opened in [[California]] in 1940 by the McDonald brothers, the first [[franchise]] under the corporation as it exists today was opened by [[Ray Kroc]] in [[Illinois]] in 1955.
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'''McDonald's''' is an American fast-food chain specializing in [[hamburger|hamburgers]]. It operates more than 30,000 restaurants in more than 100 countries on 6 continents.<ref>http://www.supersizeme.com/home.aspx?page=bythelb</ref> Although the first McDonald's was opened in [[California]] in 1940 by the McDonald brothers, the first [[franchise]] under the corporation as it exists today was opened by [[Ray Kroc]] in [[Illinois]] in 1955. The company is headquartered in Oak Brook, Illinois.