By 20 August, however, it was becoming clear - first to General Charles Lanrezac's French Fifth Army, and then to Commander-in-Chief Joseph Joffre - that a massive German presence was gathering in the area.
Namun pada 20 Agustus, menjadi jelas untuk Jenderal Charles Lanrezac Angkatan Darat Kelima Prancis, dan kemudian Joseph Joffre - bahwa kehadiran besar-besaran pasukan Jerman berkumpul di daerah tersebut.