The 20th century, which was born proclaiming peace and justice, died bathed in blood. It passed on a world much more unjust than the one it inherited. The 21st century, which also arrived heralding peace and justice, is following in its predecessor's footsteps.
As everyone knows -- but few give the slightest thought to these days -- the Soviet Union, that "evil empire," that other "superpower," gave up the ghost in 1991. In that moment, history as humanity had long known it ended.