President Louis Napoleon Bonaparte, of the Republic of France, overthrows his own government, and installs himself as Emperor Napoleon III.

       [added 1/4/2025]

Subsequent Events:

7/17/1861                    4/10/1864                    9/2/1870

References:

Alexis de Tocqueville – Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Alexis_de_Tocqueville

Current U.s. National Debt:

$36,214,325,271,235

Source