In July 1878 he commanded the troops invading Bosnia and Herzegovina, and after three months of battle his troops captured Sarajevo on August 19, which then became the capital.
He commanded the troops. This was in July 1878. He was invading Bosnia and Herzegovina. This was in July 1878. His troops captured Sarajevo on August 19. This was after three months of battle. Sarajevo on August 19 then became the capital.