Milwaukee both January 17, 1982 and February 4, 1996. The 1982 event, also known as Cold Sunday, featured temperatures as low as in some of the suburbs as little as to the north of Milwaukee. In the 1990s and 2000s, Lake Michigan experienced large algae blooms, which can threaten marine life. Responding to this problem, in 2009 the city became an "Innovating City" in the Global Compact Cities Program. The Milwaukee Water Council was also formed in 2009. Its objectives were to "better understand the processes related to freshwater systems dynamics" and to develop "a policy and management program aimed at
Milwaukee prominent monuments are: While Milwaukee had been previously marketed as "A Genuine American City" as well as "A Great Place on a Great Lake", it has earned the nickname, the "City of Festivals." The city hosts an annual lakefront music festival called Summerfest. Listed in the "1999 Guinness Book of World Records" as the largest music festival in the world, in 2017 Summerfest attracted 831,769. The adjacent city of West Allis has been the site of the Wisconsin State Fair for over a century. Milwaukee hosts a variety of primarily ethnically themed festivals throughout the summer. Held generally on the