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First skyscraper in Chicago
The firstskyscraper built in 1885 destroyed in 1931 -
first car
Benz develops first car to run in engine -
Diesel fuel
Rusolf invented a fuel and called it by his last name. -
x-rays
Roentgen discobers X-rays -
flight
Wright brothers invent the fisrt flight -
model T
Henry invents the first model T -
First machine gun
the first machine gun was invented in 1990