"Roman Catholic Archdiocese of Philadelphia" . "Attacks on religious buildings and structures in the United States" . "Attacks on churches" . "July 1844 events" . "History of Catholicism in the United States" . "1844 in Pennsylvania" . "Irish-American history" . "1844 riots" . "Religiously motivated violence in the United States" . "Religion in Philadelphia" . "May 1844 events" . "Irish-American culture" . "Anti-Catholic riots in the United States" . "Anti-immigration politics in the United States" . "Irish-American culture in Pennsylvania" . "Religious riots" . "Christianity in Philadelphia" . "Riots and civil disorder in Philadelphia" . "Irish-American culture in Philadelphia" .