dec 30, 1853 - Gadsden Purchase
Description:
2. This was an agreement between the US and Mexico in which the US agreed to pay Mexico 10 million dollars for a 29,670 square mile portion of Mexico.3. This only partially expanded the U.S. and didn't neccessarilly contribute to the start of the civil war.
Added to timeline:
Date:
dec 30, 1853
Now
~ 171 years ago