Mezue ahịrịokwu na-esonụ: 1st Battalion bụ otu ndị agha nke nọ na Colchester mgbe agha malitere n'August 1914. E kenyere battalion ahụ na 11th Brigade, 4th Division. Site na nkewa ahụ, ndị agha ahụ sonyeere British Expeditionary Force ma zigara ha na France na August 1914, na-agbadata na Le Havre na 23 August. Battalion nke 1 hụrụ ọgụ mbụ ya megide ndị agha Germany na
Le Cateau. Ndị agha ahụ jere ozi na Western Front ruo oge fọdụrụ n'agha ahụ, na-esonye n'ọtụtụ agha na 1914 naanị dịka Agha Mbụ nke Marne, Agha Mbụ nke Aisne, na Agha nke Messines. N'afọ 1914, n'ụbọchị ekeresimesi, ụmụ nwoke nke 1st Battalion sonyere n'akụkọ ifo ekeresimesi Truce nke 1914 ebe ndị agha Britain na ndị agha Germany na-emekọrịta ihe na No man's land. Na 1915, ndị agha ahụ sonyere na Agha nke Abụọ nke Ypres, nke ama ama maka iji gas na-egbu egbu eme ihe. Na 1916 ọ lụrụ ọgụ na Albert na Le Transloy, nke bụ akụkụ nke nnukwu mwakpo Somme.