It is the year 2029. at the american psychological association's annual conference, a special keynote address commemorates the 150th anniversary of a historic event in psychology's early days. what event is celebrated in the address?

It is the 150th anniversary of the establishment of the first laboratory for psychology by Wundt in Leipzig in 1879. This allowed psychology to be considered a separate field of study from biology. Wilhelm Wundt was also the first person to call himself a psychologist.