[London, September 1. Image via Getty]

LONDON, ENGLAND - SEPTEMBER 01: Evacuee Margaret Taylor displays her name label before a Commemorative Service at St Paul's Cathedral on September 1, 2009 in London, England. Operation Pied Piper evacuated 1.5 million people, mostly children, on the 1st September 1939 to save the population from German bombing during World War Two. The children were moved to rural areas where they stayed with local families. (Photo by Peter Macdiarmid/Getty Images)