6 h 25 m, 1 jan 1863 ano - President Abraham Lincoln Issue the Emancipation Proclamation.

Descrição:

President Abraham Lincoln issued the Emancipation Proclamation on January 1, 1863, as the nation approached its third year of bloody civil war. The proclamation declared "that all persons held as slaves" within the rebellious states "are, and henceforward shall be free."

Source: https://www.archives.gov/exhibits/american_originals_iv/sections/nonjavatext_emancipation.html

https://www.huffingtonpost.com/2012/12/19/emancipation-proclamation-lincoln_n_2323943.html