July 4 1778 is when the colonists did what

By issuing the Declaration of Independence, adopted by the Continental Congress on July 4, 1776, the 13 American colonies severed their political connections to Great Britain.

Explanation:

The Second Continental Congress unanimously adopted the Declaration of Independence, announcing the separation of the American colonies from Great Britain.

although the legal justifications for the trials and their procedural innovations were controversial at the time, the nuremberg trials are now regarded as a milestone toward the establishment of a permanent international court, and an important precedent for dealing with later instances of genocide and other crimes