5 h 42 min, 1 janv. 1863 ans - Jan 1, 1863:
Emancipation Proclamation:
it changed the federal legal
status of more than
3 million enslaved people
in the designated areas
of the South from slave to free. As soon as a
slave escaped the control
of the Confederate government,
by running away or through
advances of federal troops, the slave became legally free.