The following timeline and maps describe a few instances of Allied inaction and show just a small selection of the atrocities being committed in one area of Eastern Europe at the same time.

Map Shows How Trump ... Getty Images "Yalta was about great powers deciding about the future of Eastern Europe," she told Newsweek. "This is what it looks like regarding Ukraine now." ...

but much of present-day Europe is based on the lines drawn following the conflict sparked by Princip's bullet. (Pull cursor to the right from 1914 to see 1914 map and to the left from 2014 to see ...