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1920 Decade
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Image Found At- http://www.google.com/imghp
http://www.ultimaterollercoaster.com/coasters/history/timeline.shtml (Don't have exact date)
Roller Coaster Event -
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1930 Decade
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Image Found At- http://www.google.com/imghp
http://www.ultimaterollercoaster.com/coasters/history/timeline.shtml (Don't have exact date)
Rolelr Coaster -
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1940 Decade
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Image Found At- http://www.google.com/imghp
http://www.ultimaterollercoaster.com/coasters/history/timeline.shtml (Don't know exact year)
Roller Coaster Event -
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1950 Decade
-
-
Image Found At- http://www.google.com/imghp
http://www.ultimaterollercoaster.com/coasters/history/timeline.shtml (Don't know exact name)
Roller Coaster Event -
1960 Decade
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-
Image Found At- http://www.google.com/imghp
http://www.ultimaterollercoaster.com/coasters/history/timeline.shtml (don't have exact date)
Roller Coaster Event -
1970 Decade
-
-
Image Found At- http://www.google.com/imghp
http://www.ultimaterollercoaster.com/coasters/history/timeline.shtml (Don't knoe exact date)
Roller Coaster -
1980 Decade
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Image Found At- http://www.google.com/imghp
http://www.ultimaterollercoaster.com/coasters/history/timeline.shtml (don't know exact date)
Roller Coaster Event -
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1990 Decade
-
-
Image Found At- http://www.google.com/imghp
http://www.ultimaterollercoaster.com/coasters/history/timeline.shtml (Don't know specific date)
Roller Coaster Event -
2000 Decade
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Image Found At- http://www.google.com/imghp
http://www.ultimaterollercoaster.com/coasters/history/timeline.shtml (Don't know exact date)
Roller Coaster Event -
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2010 To The Present
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