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Remembrance Sunday Parades/Services ...burghfieldparishcouncil.gov.uk

Remembrance Day

Remembrance Day (sometimes known informally as Poppy Day owing to the tradition of the remembrance poppy) is a memorial day observed in Commonwealth 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. 
Following a tradition inaugurated by King George V in 1919,  the day is also marked by war remembrances in many non-Commonwealth countries. 
Remembrance Day is observed on 11 November in most countries to recall the end of hostilities of First World War 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.) 
The First World War officially ended with the signing of the Treaty of Versailles on 28 June 1919. (in https://en.wikipedia.org/wiki/Remembrance_Day)

"Remembrance Day is an observance and not a public holiday in the UK. 
Many businesses may temporarily pause activity at 11am for 2 minutes of silence on November 11. (…) 
Remembrance Sunday, in the United Kingdom, 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. By tradition, a two-minute period of silence is observed throughout the country at 11 am, and church …" 
(in https://www.google.com/search?client=safari&rls=en&sxsrf=ACYBGNRVomhyjb16O5DDuDoJEm1cE21ccQ%3A1573372822895&ei=lsPHXf2mNqLlgwfs5L1I&q=remembrance+day+uk&oq=remembrance+day+UK&gs_l=psy-ab.1.0.35i39j0i324j0l6j0i8i67j0i30.3545.7682..13495...0.2..0.100.285.2j1......0....1..gws-wiz.......0i71j35i304i39j0i13j0i13i30j35i305i39j0i10j0i8i10i30.IF0XHI140w4)

Remembrance Day - Blacktown Cityblacktown.nsw.gov.au