Finally the Germans admitted defeat by changing tactics and began the Blitz, the strategic bombing of London and southern England.

FORBES: Connect

Cases such as strategic bombing, blackouts, natural disasters, and terrorist attacks have not typically led to total or long-term collapse of social, economic, or technological systems.

FORBES: Cyberwar Hype Comes Under Increasing Scrutiny

Mr Hastings has written books on Britain's strategic bombing campaign, the Allied invasion of Normandy and the battles for Germany and Japan in the closing stages of the war.

ECONOMIST: The second world war