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War cycles

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Title: War cycles  
Author: World Heritage Encyclopedia
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Subject: War, Edward R. Dewey, Quincy Wright, List of cycles, Sociocybernetics, Fourth-generation warfare, World-systems theory, Military campaign, Pitirim Sorokin, Alexander Chizhevsky
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War cycles

The theory of war cycles holds that wars happen in cycles.

The cycles of war

The forerunner of the study of war cycles was Edward R Dewey, with Quincy Wright's monumental A Study of War adding impetus to the discipline. The credibility of the study of cycles was frequently questioned,[by whom?] as this type of inquiry attracts persons with marginal credibility and interest in paranormal issues. However, with advent of computer algorithms minimizing the dampening effect affecting the abstracted oscillations and facilitating the detection of stochastic drifts, the study of cycles is subject to renewed interest.[1]

Comparative studies

Quantitative studies of bellicosity of the Western civilization and the Confucian civilization of the East was pioneered by Lewis Fry Richardson.[peacock term] Richardson's studies led him to the conclusion that "Confucian-Taoist-Buddhist religion of China stands out conspicuously as being either itself a pacifier, or else associated with one" and that "it seems probable that the comparative peacefulness of China prior to 1911 was the result of instruction, and in particular of Confucian instruction."[this quote needs a citation]

Richardson's findings were based on data spanning about a century. Study by Krus, Nelsen, & Webb (1998) lengthened his perspective for the wars of the Western civilization by about three centuries (Fig. 1) and for the Eastern Civilization by about 17 centuries (Fig. 2). In Fig. 2, the 220–618 time interval corresponds to the period in Chinese history called the Period of Disunion (also called the Chinese Dark Ages or six dynasties), when Confucius' teachings were abandoned. Krus et al. (1998) concluded that "In the Empire of China, when the Confucian philosophy was predominant, the peace lasted significantly longer than in the West. When Confucian teachings were abandoned, the frequency of warfare approximated that observed for the Western countries."[this quote needs a citation]

For another comparative study that specifies a mathematical model of war cycles and tests it cross-culturally and cross-historically see Secular Cycles and Millennial Trends. Note that this study tries to connect the war cycles with long-term trend dynamics.

See also



  • Dewey, E.R. (1951) "The 57-year cycle in international conflict". Cycles 2, 1, 4–6.
  • Dewey, E.R. (1952) "The 142-year cycle in war". Cycles 3, 6, 201–204.
  • Dewey, E.R. (1967) "Systematic Reconnaissance of Cycles in War". Cycles, January 1967. (Request reprint).
  • Ellis, M.H. (1997) Unholy alliance: religion and atrocity in our time. Minneapolis: Fortress Press.
  • ISBN 5-484-00559-0.
  • ISBN 5-484-00560-4.
  • Krus, D. J. & Blackman, H. S. (1980) "Time scale factor as related to theories of societal change". Psychological Reports 46, 95–102. (Request reprint).
  • Krus, D.J., & Ko, H.O. (1983) "Algorithm for autocorrelation analysis of secular trends". Educational and Psychological Measurement 43, 821–828. (Request reprint).
  • ISBN 5-484-01002-0.

Primary sources

  • Krus, D.J., Nelsen, E.A. & Webb, J.M. (1998) "Recurrence of war in classical East and West civilizations". Psychological Reports 83, 139–143 (Request reprint).
  • Krus, D. J. & Webb, J. M. (2001) "Für oder gegen ein militarisches Eingreifen: Ist die Einstellung zum Krieg eine Variable der Gesinnung oder des sitationsbedingten Gemütszustands?" Zeitschrift fur Sozialpsychologie und Gruppendynamik in Wirtschaft und Gesellschaft 26.Jg. Heft 2, 3–8 in German).
  • Richardson, L.F. (1960) Statistics of deadly quarrels. Pacific Grove, CA: Boxwood Press.
  • Turchin, P. (2006) War and Peace and War: The Life Cycles of Imperial Nations. Pi Press.
  • Wright, Q. (1965) A study of war (2nd ed.). Chicago: University of Chicago Press.

External links

  • Cycles of war
  • Secular Cycles and Millennial Trends
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