The Battle of Kelja, fought from December 25 to December 27, 1939 in and around the village of Kelja (now Portovoe, Priozersky District, Leningrad Oblast, Russia), was a part of the Winter War between Finland and the Soviet Union.
HistoryLayer draws the world as it was in any year from 123,000 BCE to
2026. Move the slider and the borders redraw for that year; the map
carries 23,890 events, 12,790 people, 837 wars and 13,183 cities, each
one readable in place. Signing in is optional and lets you keep what
you find.