Summerfest is an annual music festival held Hold in downtown Milwaukee , Wisconsin .

First held Hold in 1968 , Summerfest is located at Henry Maier Festival Park , adjacent to Lake Michigan and the central business district .

Summerfest attracts Influence between 800,000 and 900,000 people each year , promoting Cause_change_of_position_on_a_scale itself as `` The World 's Largest Music Festival '' , a title certified Check by the Guinness World Records since 1999 .

During Summerfest , the park hosts performances Social_event over 11 days , from late June until early July ( including the Fourth of July ) .

Summerfest also showcases Placing a wide variety of food from many Milwaukee-area restaurants .

Other Summerfest attractions include Cause_to_be_included comedy acts , shopping Commerce_buy vendors , fireworks ( including `` The Big Bang '' on opening night ) , family activities , and more .

Summerfest is operated Being_in_operation by a non-profit board that hires Employment the production Manufacturing staff to operate Being_in_operation both the venue and main Summerfest event .

Summerfest is operated Being_in_operation by a non-profit board that hires Employment the production Manufacturing staff to operate Being_in_operation both the venue and main Summerfest event .