When is Remembrance Sunday celebrated in the United Kingdom?

Remembrance Sunday, in the United Kingdom, is a holiday held on the second Sunday of November that commemorates British service members who have died in wars and other military conflicts since the onset of World War I.

A nationally televised remembrance service, generally attended by politicians, religious leaders, military personnel, and members of the British royal family, has been held for decades at the Cenotaph monument in central London.

The holiday has its origins in Armistice Day, which was dedicated in Great Britain on Nov. 11, 1919, in commemoration of the one-year anniversary of the peace agreement that ended World War I.

The most recognizable symbol of Remembrance Sunday is the red poppy, which became associated with World War I memorials after scores of the flowers bloomed in the former battlefields of Belgium and northern France. (The phenomenon was depicted in the popular 1915 poem “In Flanders Fields,” by Canadian soldier John McCrae.)