In reality, the United States did not exist as they presently do after the signing of the Declaration of Independence.
However, the representatives of the colonies stayed in Philadelphia for several weeks after the signing.
The colonies were told to get ready for war against the British.
Sources such as diaries though not very reliable can be used if there are a large amount of them showing the same date and event. Historical books written about the event especially those closer to the time would be able to help determine that the date is accurate as well.
<span>He pretended to be dead.
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