September 28th in sociology
This page is a summary of the events which have occurred a September 28th in Sociologie .
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This page is included in pages + vast: month and year (preferable: not to remove the codes).
Examples: Mars in sociology and Project: sociology/éphémérides
A. Changes of the numbers of days (99) to realize in priority (there are two of them):
1. In the model above (
Facts & events
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