November Revolution
Proper noun
Meaning
(physics) The series of changes in particle physics triggered by the discovery of the charm quark in November 1974.
(historical) Any of various political revolutions that took place in the month of November.
Source: en.wiktionary.orgExamples
Social Democracy preached against capitalism for half a century. After the November revolution the Reds had the opportunity to direct capitalism into the proper paths: but nothing happened!