Passengers board a Boeing 707 in October 1958, when the aircraft began its first transatlantic commercial service. Photo: Bettmann Archive/Getty Images
On Oct. 28, 1957, the first Boeing 707 rolled off the production line at the company's factory in Renton.
The aircraft was "the first successful commercial passenger jetliner" and "credited with inaugurating the jet age in commercial travel," per the Encyclopedia Britanica.