Remembrance Day ( informally known as Poppy Day ) is a memorial day commemorated in the United Kingdom and other Commonwealth Nations since the end of the First World War. This remembers the soldiers who have died in the line of duty during that war. This tradition was inaugurated by King George V in 1919. Remembrance Day is on 11th November in most countries to recall the end of World War I on that date in 1918. Hostilities formally ended "at the 11th hour of the 11th day of the 11th month". The red remembrance poppy has become a familiar emblem of Remembrance Day due to the poem "In Flanders Fields" written by Canadian physician Lieutenant-Colonel John McCrae. After reading the poem, Moina Michael, a professor at the University of Georgia, wrote the poem, "We Shall Remember," and swore to wear a red poppy on the anniversary. The custom spread to Europe and to other countries . Poppies were worn for the first time at the 1921 ...