THE REMEMBERANCE DAY
...is a day of commemoration observed in Commonwealth countries and in several European countries to commemorate the end of the World War I and other wars. It is observed on 11 November in reference to the day when, in 1918, ended the firts World War and, more precisely was established by George V of the United Kingdom in 1919. Finally, the emblem of this event is the poppy, which was chosen because these flowers bloowed in same of the worst battlefields of Flanders in World War I and their red color is an appropriate symbol for the bloodshed took (spargimento di sangue) place in the war. 

11/11/11: Remembrance Day is observed on 11 November to recall the end of hostilities of World War I on that date in 1918. Hostilities formally ended "at the 11th hour of the 11th day of the 11th month," in accordance with the Armistice, signed by representatives of Germany and the Entente between 5:12 and 5:20 that morning. ("At the 11th hour" refers to the passing of the 11th hour, or 11:00 am) World War I officially ended with the signing of the Treaty of Versailles on 28 June 1919.
For various reasons, people ascribe different kinds of significance to dates and numbers; for example, the 2011 date, "11-11-11", showed an increase in the number of marriages taking place in different areas throughout the world, including the U.S. and across the Asian continent. Babies born on this date also received special media attention.