Although [[Vikings]] had colonized Greenland and visited Canada, news of these lands was unknown to [[Europe]]ans. The [[Eurasia]]n and [[Africa]]n continents were the only land masses known to Western civilization throughout [[Medieval]] times and into the [[Renaissance]]. Even the true [[circumference]] of the [[Earth]] was not clearly known. | Although [[Vikings]] had colonized Greenland and visited Canada, news of these lands was unknown to [[Europe]]ans. The [[Eurasia]]n and [[Africa]]n continents were the only land masses known to Western civilization throughout [[Medieval]] times and into the [[Renaissance]]. Even the true [[circumference]] of the [[Earth]] was not clearly known. |