NES 19 million 

The NES in North America did not sell 19 million by 1989. Sources include NA shipments of the SNES being 3 million in 1987 and already in the the article of this topic, seven million were sold by 1989. 
Sources:
http://news.google.com/newspapers?nid=1314&dat;=19880409&id;=klpWAAAAIBAJ&sjid;=mu8DAAAAIBAJ&pg;=4634,5262094
http://news.google.com/newspapers?nid=1917&dat;=19880404&id;=tHEhAAAAIBAJ&sjid;=TogFAAAAIBAJ&pg;=995,823773
http://news.google.com/newspapers?nid=1454&dat;=19881224&id;=-jEyAAAAIBAJ&sjid;=RxQEAAAAIBAJ&pg;=6951,2635911