history tends to repeat itself. When Moldavian nationalists tried in 1990-1992 to clean the west bank of Dnestr (future Transnistria ) from Russians and Ukrainians, the Russian and Ukrainian volunteers were fighting there together. The Ukrainian forces were mostly from Ukrainian nationalist organizations OUN-UPA. These organizations were core to the Ukrainian volunteer battalions which tried to pacify the Donbass in 2014, and naturally a lot of Russian volunteers opposed them (some people who fought each other in 2014 were even fighting together back in 1992).