Rememberance Day (UK)

"Remembrance Day (sometimes known informally as Poppy Day) is a memorial day observed in Commonwealth of Nations member states since the end of the First World War to remember the members of their armed forces who have died in the line of duty.(...) Remembrance Day is observed on 11 November in most countries to recall the end of hostilities of World War I on that date in 1918. "

https://en.wikipedia.org/wiki/Remembrance_Day

"Remembrance Sunday is held in the United Kingdom and the Commonwealth of Nations as a day "to commemorate the contribution of British and Commonwealth military and civilian servicemen and women in the two World Wars and later conflicts". It is held on the second Sunday in November, the Sunday nearest to 11 November"

https://en.wikipedia.org/wiki/Remembrance_Sunday

• Explanation of Poppies and Remembrance (link) 
• A Short History of the Poppy (link)
• Watch ceremony at the Cenotaph in London where the Queen led tributes to members of the armed forces who have lost their lives fighting for the nation. (link)
• Duke and Duchess of Cambridge and Prince Harry are shown round the poppies installation at the Tower of London as crowds of tourists watch. (link) 
• Drone-view of Tower of London poppy field (link)
• BBC Schools: Watch - Time Treasures: Poppy Day (link) 
• A powerpoint explaining Remebrance Day etc. Includes Tower of London etc (link)