The Nigeria Regiment, Royal West African Frontier Force, was formed by the amalgamation of the and the Southern Nigeria Regiment on 1 January 1914. At that time, the regiment consisted of five battalions: * 1st Battalion - ex 1st Bn, Northern Nigeria Regiment * 2nd Battalion - ex 2nd Bn, Northern Nigeria Regiment * 3rd Battalion - ex 3rd Bn, Northern Nigeria Regiment * 4th (Lagos) Battalion - ex 2nd Bn, Southern Nigeria Regiment * 5th Battalion - ex 1st Bn, Southern Nigeria Regiment