November 11th is celebrated as "Remembrance Day" in many countries. It marks the end of World War One, at the eleventh hour on the eleventh day of the eleventh month.
Click on the links below, and discover more about the ceremonies held in London and about the poppy that people wear on their clothes.
Have a look a the beautiful installation at The Tower of London made by a ceramic artist.
You can also listen to the impressions and reflections of British pupils on a trip to Belgium, on WWI battlefields.
There is also an on-line quiz you can take , to check your knowledge !