Mezue ahịrịokwu na-esonụ: Agha nke Frontiers nwere mwakpo ise, nke onye isi ndị agha France bụ Joseph Joffre na onye isi ndị agha Germany bụ Helmuth von Moltke duziri ma hazie. A lụrụ ya n'August 1914. Ihe ise a, Mulhouse, Lorraine, Ardennes,
Charleroi, na Mons, ka a malitere n'ihe fọrọ nke nta ka ọ bụrụ n'otu oge. Ha bụ nsonaazụ nke atụmatụ France nke XVII na atụmatụ ndị Germany na-agbagha. Agha nke Mulhouse, na August 7<unk>10, 1914, bụ nke Joffre chere na ọ ga-eme ka ndị France weghachite Alsace, mana ọ rụpụtara na Joffre na-ewere General Louis Bonneau maka ọdịda ya ma jiri General Paul Pau dochie ya. Agha nke Lorraine, August 14<unk>25, bụ mbuso agha France nke General Pau na ndị agha ya nke Alsace. Agha nke Ardennes, nke a lụrụ n'agbata August 21 na 23 n'ọhịa Ardennes, bụ nke ndị agha France na ndị agha Germany na-amaghị ihe na-eme, ma kpatara mmeri ndị France, na-enye ndị Germany isi iyi nke ígwè. Agha nke Charleroi, nke bidoro n'August 20 wee gwụ na August 23, bụ ọgụ dị mkpa na Western Front, na mmeri ndị Germany. Nlaghachi azụ nke General Charles Lanrezac nwere ike ịbụ na ọ zọpụtara ndị agha France, mana Joffre boro ya ebubo maka ọdịda nke Atụmatụ XVII, n'agbanyeghị na enyerela ya ohere ịpụ.