Changes

==Later Development==

In the 9th and 10th centuries, Saint Patrick's day was being celebrated widely throughout Ireland. By the Medieval period, Patrick became the undisputed Patron Saint of Ireland. By the 17th century, green had increasingly been associated with Ireland. As the color became associated with the country and people, naturally Saint Patrick, the patron saint, began to also be associated with this color, leading to this color being the primary color worn on the feast day. In the 17th century, Luke Wadding, an important Franciscan friar from Ireland, placed Saint Patrick as part of the official important feast days in the Catholic calendar. The Vatican recognized Saint Patrick's day in 1631 as a feast day.<ref>For more on the development of Saint Patrick as the Patron Saint of Ireland, see: Duffy, S., MacShamhráin, A., & Moynes, J. (Eds.). (2005). <i>Medieval Ireland: an encyclopedia</i>. New York: Routledge, pg. 66.</ref>

In the United States, widespread migration in the mid-19th century led to celebrations of Saint Patrick's day. However, it has been claimed that already by 1762 celebrations of Saint Patrick's day, and even the first official parade, had taken place in New York. By the late 18th and early 19th century, Irish migrants had begun to also hold neighborhood celebrations as a way to remember their cultural identity. In the mid-19th century, celebrations and parades were held in places such as New York, Boston, and other places mostly in the eastern United States (Figure 2). US traditions, in may respects, in the 20th century influence the global spread and influence of Saint Patrick's day.<ref>For more on Irish-American traditions, see: Dolan, J. P. (2008). <i>The Irish Americans: a history</i> (1st U.S. ed). New York: Bloomsbury Press.</ref>

==Modern Meaning==