This page brings together all the memorials that we have for civilians killed in London by acts of war, including terrorism. It is related to a very interesting campaign for a Citizens Memorial "to commemorate the heroism and sacrifice of the citizens of London during the Second World War and in subsequent bombings."
In WW2 28,000 civilians were killed in London so the campaign focuses on that war. We've decided to include WW1, indeed it's our chronological start point, else we'd have to include events like the Civil War. We include police officers and firefighters, but only humans, not animals.
Given that this country has not been occupied, not even invaded, during the period we are astonished at how many of these memorials we have on our database, and how varied they are. The sheer quantity supports the claim that a single all-encompassing memorial is also needed.