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I bet we wouldn't have started thinking about it in the 9th century... http://en.wikipedia.org/wiki/Abbas_Ibn_Firnas http://en.wikipedia.org/wiki/Abbas_Ibn_Fir

by davi 17y ago

I bet we wouldn't have started thinking about it in the 9th century... http://en.wikipedia.org/wiki/Abbas_Ibn_Firnas http://en.wikipedia.org/wiki/Abbas_Ibn_Firnas