On 20th July 1944, senior officers gathered at the Wolfschanze - the Wolf's Lair - Hitler's headquarters in East Prussia. Amongst those men was Colonel Claus Schenk Count von Stauffenberg, chief of staff of the Reserve Army, and with him he carried a briefcase packed with explosives.
A little after midday the building was rocked by a massive explosion. Five men were killed, others wounded and the interior of the Wolfschanze was wrecked. Believing...