Summary: The history of professional soccer in the United States is richer and far more complex than today’s generation of Major League Soccer fans might realize. Multiple ethnically-infused pro leagues existed as far back as the early 1900s – but when the American Soccer Association collapsed in Depression-Era 1933, it wasn’t until the mid-1960s when the next serious attempt to bring full-fledged, top-flight Division One professional soccer to US shores was pursued in earnest.
