(John Sleezer/Kansas City Star/AP)Major League Opening Day, like baseball itself, is part of American identity. But this perception passed muster because at the time, class divisions in the park were limited. Although there were class divisions within the park, they were less severe than they are today. Beginning in the 1950s and 1960s, however, a number of Major League teams moved into multipurpose facilities designed to host both baseball and football. A new wave of more intimate retro-inspired ballparks swept through Major League Baseball after the opening of Camden Yards in Baltimore in 1992.

Source: Washington Post March 29, 2018 20:37 UTC