Battles of the Frontiers of France

The Battle of the Frontiers of France, 20-24 August 1914, refers to a series of four separate battles, stretching from the Swiss frontier to Mons in Belgium, each of which saw German armies achieve their main objectives.
The Battle of Lorraine, 14 August-7 September 1914, began as the main French offensive of 1914 and ended in a German counterattack.
The Battle of the Ardennes, 20-25 August 1914, saw the failure of a French attack into the Ardennes.
The Battle of the Sambre or Charleroi, 21-23 August 1914, was a German victory over a French army during their advance through Belgium.
The Battle of Mons, 23 August 1914, was the first battle fought by the BEF during the First World War. The BEF delayed the German advance for a day before being forced to retreat to avoid being cut off.