which moved from Los Angeles, the seating capacity was increased from 23,000 to 34,000 by adding an upper deck in It was their home for six years, through the 1966 season. Balboa Stadium witnessed the Chargers' glory years in the American Football League, which featured such players as John Hadl, Lance Alworth, Jack Kemp, Keith Lincoln, and Ernie Ladd, and hosted the 1961, 1963, and 1965 AFL championship games, as well as the 1961, 1962, and 1963 AFL All-Star games. In their six seasons here, head coach Sid Gillman's club had a home record of winning four Western Division titles and one league crown (1963). In 1967, the Chargers left Balboa for the new San Diego Stadium (later known by multiple other names) in Mission Valley, where the club's glory slowed and the titles stopped (although they did win several AFC Western Division titles) until they won the AFC championship in 1994; the Chargers returned to Los Angeles in 2017. Concerts The stadium was used for popular music concerts and other public gatherings through the 1960s and 1970s. On August 28, 1965, The Beatles performed at the stadium during their second North American tour. Other notable groups performing there included Crosby, Stills, Nash and Young, The Doobie Brothers, Linda Ronstadt, The Eagles, Led Zeppelin, Peter Frampton, Yes, Jethro Tull, Robin Trower, Jimi Hendrix, Pink Floyd, Steely Dan, Chicago, Jefferson Airplane, Santana and Fleetwood Mac. Notable events On September 19, 1919, President Woodrow Wilson spoke in front of over 50,000 people in Balboa Stadium in support of the creation of the League of Nations. This was the first presidential speech to use an electronic voice amplification system. This system was invented by Edwin S. Pridham and Peter L. Jensen. They called their invention the "Magnavox" ("Great Voice") moving coil device. The two would go on to found the Magnavox company. On September 21, 1927, Charles Lindbergh visited San Diego, where the Spirit of St. Louis was built by Ryan Aeronautical, and was greeted with a hero's welcome at the stadium. With over 60,000 in attendance (10,000 more than President Wilson) he performed a low-level fly over at 100 feet, dipping his aircraft's wings and circling the stadium 8 times. He landed and was then paraded through the city to the stadium where the crowd had to be held back by 650 U.S. Marines. On December 7, 1941, a Navy vs. Marines