For centuries, almost all carrots were yellow, white or purple. But in the 17th century, most of those crunchy vegetables turned orange. Why? It may have to do with Dutch politics. Next Nature explains: In the 17th century, Dutch growers cultivated orange carrots as a tribute to William of Orange – who led the the struggle for Dutch independence – and the color stuck. A thousand years of yellow, white and purple carrot history was wiped out in a generation.Although some scholars doubt if orange carrots even existed prior to the 16th century....