Why was the 369th regiment barred from the farewell parade in 1917?

In December 1917, when Colonel Hayward's men had departed from New York City, they had not been permitted to participate in the farewell parade of New York's National Guard, the so-called Rainbow division. The reason Hayward was given was that "black is not a color in the Rainbow."

Explanation:

“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).