MILWAUKEE, WI (March 8, 2023)– Summerfest presented by American Family Insurance is celebrating its 55th anniversary this year and is looking for fans 18 years and older to share their favorite memory of Summerfest and ultimately be named the Fest Fan of the Past 55. Summerfest has a rich history, getting its start in 1968 and continues to draw music fans from around the globe each year. Summerfest…