Question: Which occurred first, the Battle of the Ch'ongch'on River or the Second Battle of the Marne?
Sentence (from "Marne Medal"): The Marne Medal (French - "médaille de la Marne") was a French medal awarded to soldiers who had fought in the First Battle of the Marne, the Second Battle of the Marne or both engagements, particularly those who took part in fighting between 6 and 12 September 1914 on the Senlis front at Verdun.
Relevant evidence: No