Short answers, pulled from the story.
Saukenuk was the principal village of the Sauk tribe and the birthplace of 19th-century war chief Black Hawk. The area served as a principal trading place for the Sauk and Fox tribes before European settlers arrived.
Abraham Lincoln won the trial Hurd v. Rock Island Bridge Company after taking the case to the US Supreme Court following an 1856 collision between the steamboat Effie Afton and the bridge. The Rock Island Railroad Company selected him as their lawyer to defend the structure built in 1856.
The term Quad Cities came into vogue during the 1930s when East Moline was given equal status alongside Davenport, Rock Island, and Moline. This change occurred despite earlier usage of Tri-Cities by World War I and later discussions about naming the area Quint Cities due to Bettendorf's growth.
The 2010 United States census recorded 471,551 people with a racial makeup that included 90.6% White and 7.1% Hispanic or Latino of any race. Christianity is the largest religion practiced, with Catholics making up an 18.5% plurality in Davenport and Bettendorf.
Five bridges accessible by automobiles connect Iowa with Illinois including the Fred Schwengel Memorial Bridge, the I-74 Bridge, the Government Bridge, and two others connecting Davenport with Rock Island. The Rock Island Centennial Bridge completed in 1940 commemorates Rock Island's 100th anniversary.