belgrade-sofia

Updated: June 20, 2025

The First Army, under General Boyadjieff, was fully 200,000 strong and was concentrated in the north from Vidin to Zaribrod, threatening the Timok Valley and that part of the Belgrade-Sofia railroad running from Pirot to Nish.

- The Story of the Great War, Volume 4 : Champagne, Artois, Grodno; Fall of Nish; Caucasus; Mesopotamia; Development of Air Strategy; United States and the War