Final answer:
The specific date of the major revision to the Real Estate License Act of 1983 is not provided in the reference materials, but the Tax Reform Act of 1986 and the Fair Housing Act of 1968 are highlighted for their significance in related areas.
Step-by-step explanation:
The major revision to the Real Estate License Act of 1983 does not seem to be indicated in the provided reference materials, which focus more on tax reform and housing legislation. For an accurate date, one may need to consult additional resources specific to the Real Estate License Act or the state's legislative history concerning real estate licensing. Among the provided materials, the Tax Reform Act of 1986 is highlighted, which was a significant piece of legislation that simplified the tax code and addressed tax shelters. The Fair Housing Act of 1968 is also mentioned, focusing on the prohibition of discrimination in housing. Other historical events and laws such as the Economic Recovery Tax Act of 1981 and the conditions leading up to the Great Recession of 2008 are mentioned; however, they do not pertain to the Real Estate License Act specifically.