In World War II, an unsuccessful German offensive against a Soviet salient in July 1943. Kursk was the greatest tank battle in history and proved to be a turning point in the Eastern Front campaign. With nearly 6,000 tanks and 2 million troops involved the battle was hard fought, reaching its climax with the pitched battle on 12 July between 700 German and 850 Soviet tanks.
The disc represents the full moon, traditionally the most auspicious time for work and celebration. The disc is set towards the hoist. Effective date: 1 January 1981.