For 10 points, name this city on the Dnieper River, the capital of Ukraine.
Simon Petluria allied with Josef Pilsudski to attack this city in 1920. The history of a medieval kingdom named for this city is detailed in The Primary Chronicle. This city was the capital of a state ruled by Yaroslav the Wise and Vladimir the Great. On September 29th and 30th in 1941, the Nazis gunned down over thirty thousand members of this city's Jewish population in a ravine. The site of the Babi Yar massacre, this capital city was the center of a movement to overthrow Victor Yanukovych and elect Viktor Yuschenko, the Orange Revolution. For 10 points, name this city on the Dnieper River, the capital of Ukraine.
Simon Petluria allied with Josef Pilsudski to attack this city in 1920.
{Kiev}