20h 15min, jul 4, 1787 y - The Northwest Ordinance
Description:
The Northwest Territory. The Northwest Ordinance was an act passed by Congress in 1787 that provided rules for governing the Northwest Territory, land north of the Ohio River and west of the Alleghenies.
Added to timeline:
Date:
20h 15min, jul 4, 1787 y
Now
~ 238 years ago