United States Congress (1977) ratified Public Law 77-379, in which the President officially proclaims the fourth Thursday of every November:
<A National Day of Thanksgiving.> 1977US001
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American Quotations by William J. Federer, 2024, All Rights Reserved, Permission granted to use with acknowledgement.
1977US001. William J. Federer, American Quotations (2014). United States Congress, 1977, in Public Law 77-379. Gary DeMar, America's Christian History: The Untold Story (Atlanta, GA: American Vision Publishers, Inc., 1993), p. 53.