On 13 February 1941, a lone Heinkel III dropped the most powerful bomb in the German inventory on London, causing immense devastation and loss of life. Kept secret from the British public, the Luftwaffe had deployed a giant SC2500, a hugely-powerful demolition bomb rarely used in WWII. Find out the full story here... Dr. Mark Felton FRHistS, FRSA is a well-known British historian, the author of 22 non-fiction books, including bestsellers 'Zero Night' and 'Castle of the Eagles', both currently being developed into movies in Hollywood. In addition to writing, Mark also appears regularly in television documentaries around the world, including on The History Channel, Netflix, National Geographic, Quest, American Heroes Channel and RMC Decouverte. His books have formed the background to several TV and radio documentaries. More information about Mark can be found at: https://en.wikipedia.org/wiki/Mark_Felton Visit my audio book channel 'War Stories with Mark Felton': https://www.youtube.com/watch?v=xszsAzbHcPE Help support my channel: https://www.paypal.me/markfeltonproduction https://www.patreon.com/markfeltonproductions Disclaimer: All opinions and comments expressed in the 'Comments' section do not reflect the opinions of Mark Felton Productions. All opinions and comments should contribute to the dialogue. Mark Felton Productions does not condone written attacks, insults, racism, sexism, extremism, violence or otherwise questionable comments or material in the 'Comments' section, and reserves the right to delete any comment violating this rule or to block any poster from the channel. Primary Source: ''The Blitz: Then & Now: Volume 2', Ed. Winston G. Ramsey, (After The Battle: 1990) Credits: US National Archives; Library of Congress; Feel Falkirk