The defeat of the Confederacy allowed the United States to pressure the French to end their intervention in Mexico. Napoleon III, already wary of the mounting financial costs and intractable Mexican resistance, declared victory in 1866 and proceeded to withdraw his forces. With its French backers gone, the Mexican Empire collapsed over the following year.
United States President Abraham Lincoln was shot by actor John Wilkes Booth at Ford’s Theatre, Washington DC, dying several hours later. The shooting was meant to be one of several executive assassinations, but none of the other targets were killed.
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The United States President Andrew Johnson declared that armed resistance in the American Civil War was “virtually” at an end and that nations or ships still harboring fugitives would be denied entry into US ports. Confederate President Jefferson Davis was captured the following day, although it would not be until 20 August 1866 that Johnson would formally proclaim the end of the war.
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French and Mexican Imperial troops captured the city of Chihuahua, temporary capital of the Mexican Republic.
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22 Jan 1866 Napoleon III declares victory in Mexico
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The end of the Civil War freed the United States Army to begin shipping weapons and supplies to the Mexican Republic on a previously unseen scale. Preferring good relations with the United States over continued intervention, French Emperor Napoleon III declared the Mexican intervention a success and began planning for his withdrawal.
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