Through the years many forms of travel have come about. Boats and ships ruled the sea, and airplanes conquered the skies. Up until the automobile, locomotives were the main means of travel on land. Events that had an impact as influential as the invention of the highway include
· The first modern commercial airliner in 1933
· The first transpacific mail service in 1935
· The first jet-powered commercial airline in 1949
"Airplane Timeline - Greatest Engineering Achievements of the Twentieth Century." Airplane Timeline- Greatest Engineering Achievements of the Twentieth Century. National Academy of Engineering, n.d. Web. 19 Nov. 2013.
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