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The TREATY of GUADALUPE HIDALGO ends the Mexican-American War and extends citizenship to approximately 80,000 people in Texas, California, and the American Southwest. The treaty also extends the US boundary by over 25,000 square miles and establishes the Rio Grande as the international border.

Congress passes the DRUG IMPORTATION ACT of 1848 to address the purity of drugs imported into the United States. The Act calls for the appointment of special examiners at six ports of entry - New York, Boston, Philadelphia, Baltimore, Charleston and New Orleans.

Friday, December 31, 1847 - 19:00