Sixty years ago, on August 15, 1965, four young men from Liverpool—collectively known as The Beatles—stepped into a baseball stadium and into music history. John Lennon, Paul McCartney, George Harrison and Ringo Starr’s sold-out performance at Shea Stadium in New York—former home to the Mets baseball team—wasn’t just another concert,

The year 1965 was one of launches. Several Gemini rockets were sent skyward, President Lyndon Johnson enacted his Great Society reforms, and civil Rights workers launched marches from Selma to Montgomery led by Martin Luther King.