Complex sentence: In 1793 at the battle of Famars in Flanders the 14th became the only regiment ever to win its regimental march in battle, the French revolutionary song "Ça Ira".
Split into simpler sentences: In 1793 at the battle of Famars in Flanders the 14th became the only regiment ever to win its regimental march in battle. It is the French revolutionary song "Ça Ira".