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Wright brothers birth
If the Wright brothers had not borned, airplanes might not have invented. -
First flight
If the Wright brothers had not made the first flight, airplanes might not have flown as we know. -
The first airmail
The airmail would not have been used, if the airplane had not been invented. -
First commercial plane
If Boeing had not built the first commercial plane, airplanes would not have been as luxury as they are. -
Period: to
World War II
If the airplane had not been invented, airplanes would not have been used in the World War II. -
BOEING
If Boeing had not built the 747, AIRBUS would not have built the A380. -
The Concord
If people had not dreamt to cross the Atlantic in 4 hours, the Concord would not have been built in 1950s. -
Period: to
Space Shuttle
If NASA had not invested on first space shuttle, Columbia would not have destroyed during the re-entry. -
My first flight
If I had not ridden a plane, I would not have become a pilot. -
AIRBUS A350
AIRBUS would not have built the A350, If Boing had not built the 787.