Moscow's forces made gains in the Kharkiv and Zaporizhzhia regions, according to the Institute for the Study of War (ISW).

It should be no surprise then that Russia’s national strategy is to move its frontier as far west as ... But as you can tell from these maps, the key country for Russia after 1991 was Ukraine.

The maps are part of a collection of 4,000 Russian military maps at Indiana University. They were made between 1883 and 1947, and they were never meant to be seen by outsiders, says IU map ...