Russia's Invasion of Ukraine—In Search of a Historical Parallel

WWI, WWII, the Prague Spring? What is the most useful historical parallel for Putin's new war?

The Russian invasion of Ukraine is the largest military crisis facing Europe in decades. Despite hearing murmurs of a possible invasion for a while now, its actual procession has been so sudden and devastating that many observers do not quite know how to respond. Along with the usual catastrophizing, pundits and politicians have looked toward history to…