Airbags in 1966 and Subsequently
NY Times article notes its first article on airbags. See http://www.nytimes.com/2015/12/15/science/jan-2-1966-when-airbags-were-more-science-fiction-than-fact.html?hpw&rref=science&action=click&pgtype=Homepage&module=well-region®ion=bottom-well&WT.nav=bottom-well
I had the privilege of working with Dr. Carl Clark at NHTSA in the 1980s.
By 1973, GM had produced and sold airbag vehicles to the U.S. government. See https://www.careforcrashvictims.com/blog-daylaightsavings.php