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  Chinese children begin to play with bamboo flying toys, the forerunners of today's choppers
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  Leonardo Da Vinci draws up plans for a "aerial screw", sort of like a water screw that flies
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  Mikhail Lomonosov created a small rotercraft to be used to lift meteorological instrument
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  The term "helicopter" is coined by french inventor Gustave de Ponton d'Amécourt when he made a small steam powered model that never lifted of the ground.
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  Alphonse P'enaud develops toy helicopters powered by rubberbands
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  Ján Bahýľ, a Slovak inventor uses a internal combustion engine that lifts his helicopter half a meter of the ground.
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  They very first piloted helicopter was invented by Paul Cornu, however this design was not successful.
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  French inventor Etienne Oehmichen was more successful. he built and flew a helicopter on kilometer
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  The Focke-Wulf FW 61 regarded as the world's first functional helicopter is flown for the first time
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  The Focke-Wulf FW 61 breaks all of the helicopter world records.
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  Arthur Young of the Bell Aircraft company, designed the Bell Model 47 helicopter, the first helicopter to have a full bubble canopy
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  American inventor Stanley Hiller Jr. piloted the first helicopter flight across the United States, piloting a helicopter that he invented called the Hiller 360
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  The first turboshaft engine was used in a helicopter.
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  On November 26th 1962, African American inventor Paul E. Williams patented a helicopter named the Lockheed Model 186
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  Igor Sikosky, the man who invented on of the first helicopters for the U.S dies
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  The UH-60 Black Hawk was fielded by the Army
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  The Navy received the SH-60B Seahawk
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  The HH-60J Jayhawk makes its first flight
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  34,751 people are rescued by helicopter after hurricane Katrina.
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  The world's first helicopter(18 rooms with 5 star facilities)- a customized and refitted Soviet-built Mil V-12 helicopter