Eschatology of Jehovah's Witnesses on" from then until Jesus began ruling in October 1914. Secular historians date the event of Jerusalem's destruction to within a year of 587 BC. The Witnesses' alternative chronology produces a 20-year gap between the reigns of Neo-Babylonian Kings Amel-Marduk (rule ended 560 BC) and Nabonidus (rule began 555 BC) in addition to the intervening reigns of Neriglissar and Labashi-Marduk, despite the availability of contiguous cuneiform records. They teach that after the war of Armageddon, Jesus will rule over earth as king for 1000 years after which he will hand all authority back to Jehovah. Jehovah's Witnesses teach that since
Criticism of Jehovah's Witnesses that acceptance of blood fractions from donated blood is a matter of conscience. A 2006 issue of Jehovah's Witnesses' newsletter "Our Kingdom Ministry" stated, "Although [Jehovah's Witnesses] do not donate or store their own blood "for transfusion purposes", some procedures or tests involving an individual’s blood are not so clearly in conflict with Bible principles. Therefore, each individual should make a conscientious decision" [emphasis added]. Raymond Franz has challenged these policies because acceptable blood fractions can only be derived from stored blood provided by donors. Regardless of the medical considerations, Jehovah Witnesses advocate that physicians should uphold the right of