In 1844, Queen Victoria was 7 years into her 63-year reign of the Queen of the United Kingdom of Great Britain and Ireland. John Tyler was 10th president of the United States, to be followed by the 11th president, by James K. Polk in March of 1845. Four years before, Dr. Horace H. Hayden and Chapin A. Harris co-founded The Baltimore College of Dental Surgery. The school was chartered by an act of the Maryland State Legislature in 1840. Dr. Hayden died on 25 January 1844.
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