1920
*1921
*1922
* Lucien Lévy-Bruhl's '' Primitive Mentality'' is published. *Births
*March 18: Seymour Martin Lipset *June 11:1923
* Nels Anderson's and the Council of Social Agencies of Chicago's ''Deaths
*August 19: Vilfredo Pareto1924
*Births
*August 10: Jean-François Lyotard1925
*1926
* Hans Freyer's '' Belief, Style and The State'' is published. * Bronislaw Malinowski's ''1927
*Births
*December 8: Niklas Luhmann1928
* Melville Jean Herskovits' '' The American Negro'' is published. *1929
* Hans Freyer's '' Sociology as a Science of Reality'' is published. *