 Some of the money was also used to found two Catholic high schools in New York City and Philadelphia, as the Jesuits saw a demand for urban ministry to serve the increasing number of immigrants from Europe, including Catholics from Ireland.On June 10, 1844, the growing school was reincorporated by Congress under the name "The President and Directors of Georgetown College".Georgetown's Observatory, completed in 1844, was used in 1846 to determine the latitude and longitude of Washington, D.C., which was the first such calculation for the nation's capital.