 On 11 December 1918 , the remnants of the 1st King 's marched across the German frontier " at ease " , bayonets fixed and their colours uncased . The battalion would be based at Düren and Berg Neukirchen for about five months as part of the British Army of the Rhine , joined by other battalions such as the 13th . Some , including the 25th ( Reserve ) , served in Egypt and Belgium before the majority disbanded by late 1919 . 
