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Arnold chose bodybuilding over other sports that he participated in and began his official career in bodybuilding Source
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Arnold served in the Austrian Army as a requirement Source
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Competes and wins 2nd place in Mr. Universe in London Source
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Arnold competes and wins first place in Mr. Universe Source
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In September of 1968, Arnold migrates to United States and starts training under Joe Weider Source
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Arnold competes in Mr. Olympia for the first time Source
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Arnold places first in Mr. Olympia Source
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Arnold stars in bodybuilding documentary "Pumping Iron" Source