Come celebrate Harley-Davidson’s unrivaled motorcycle heritage with a vintage 1940s-style motorcycle rally at the H-D Museum.™ In partnership with the Antique Motorcycle Club of America (AMCA), the H-D Museum™ will host a 70th Anniversary celebration of the legendary Panhead Engine, featuring a timeline of these historic motorcycles dating back to 1948 and running through 1965. Panhead fans from the world over are invited to Milwaukee to show off these iconic rolling sculptures. Additionally, the 16th Annual Knucklehead Company Reunion features an antique motorcycle ride-in show and the AMCA Badger Heritage Chapter hosts authentic motorcycle field games (slow race, plank ride, barrel race, T-ball, ball on cone and weenie bite), with proceeds benefiting Make-A-Wish Foundation of Wisconsin. Antique Motorcycle Ride-In Show Classes: Stock Knucklehead / Custom Knucklehead / Sidevalve / Panhead / Shovelhead / Other Pre-1970 American Made / $20 entry per bike with proceeds benefiting the Make-A-Wish Foundation of Wisconsin.