On 13 November 1939, soon after the outbreak of the Second World War and also soon after the song was premiered, Germany launched its first air raid on Britain, on flying boats that were sheltering in Sullom Voe, Shetland.
On November 13, 1939, shortly after the start of World War II and also soon after the song's premiere, Germany launched its first air raid on Britain using aircraft that were stationed in Sullom Voe, Shetland.