The Imago Mundi, the oldest known world map, offers a rare glimpse into the way ancient Babylonians viewed their world.

Transnistria, an unrecognized breakaway region between Moldova and Ukraine, operates autonomously with its own government, currency, and military. Despite its political ambiguity, it maintains its ...

Their priorities, preferences and aspirations seem almost beside the point in Mr. Trump’s ambition to redraw the map of the world along “America First” lines. Even Ukrainians now appear at ...