World War II: The Battle of Tali-Ihantala, the largest battle ever fought in the Nordic countries, begins.

The Battle of Tali–Ihantala was part of the Finnish-Soviet Continuation War (1941–1944), which occurred during World War II. The battle was fought between Finnish forces—using war materiel provided by Germany—and Soviet forces. To date, it is the largest battle in the history of the Nordic…