Armistice Day is the anniversary of the official end of World War I, November 11, 1918 Poppy Day - Remembrance Day - is the day when the dead of two World Wars and other armed conflicts are remembered in the UK. The Armistice at the end of the First World War of 1914 - 1918 was signed on November 11th at precisely 11 am - the eleventh hour of the eleventh day of the eleventh month. For this reason, Remembrance Day is on the 11th of November each year although church services and many parades are held on the Sunday nearest that date - in 2000 this will be on 12th November. The Poppy was adopted as the symbol of remembrance because it was so widespread on the sites of the battlefields of Europe after the First World War : the seeds of the common Field Poppy (Papaver rhoeas) germinate best in newly-cultivated soil, which is why it was such a common weed of cornfields until the widespread use of selective weedkillers relegated it to a wayside flower. The soil disturbances caused by trench-digging and shellfire produced ideal conditions for poppies to grow, and they appeared in vast numbers bringing a delicate beauty to areas which had seen such terrible scenes only a short while before.