Shelby's Iron Brigade Brigade. The 3rd Brigade Combat Team, 1st Infantry Division was known as the Iron Brigade from its formation in 1917 through World War I, World War II and Vietnam, until some time in the early 2000s when, for reasons that are still unclear, the name was changed to Duke Brigade. The unit crest was an Iron Cross in a triangle, it appears that that was also changed. The 3rd Brigade of the 4th Infantry Division is also known as the Iron Brigade. Its unit crest is similar to the medals issued to veterans of the both Western and the Eastern
Polonia Triangle Polonia Triangle Polonia Triangle (), also known as the Polish Triangle, is located in West Town, in what had been the historical Polish Downtown area of Chicago. A single-tiered fountain made of black iron with a bowl about nine feet in diameter is installed at its center. Polonia Triangle derives its name from the Polish word "Polonia", which means 'Polish diaspora'. Polonia Triangle was considered to be the center of Chicago's Polish Downtown, the city’s oldest and most prominent Polish settlement. In many ways it functioned as the capital of the American Polonia with the headquarters for almost every major