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As of October 1, 2015, Pope Francis is still the current pope.
Pope Francis became pope on March 13, 2013, and (as of October 1, 2015) is still the pope.
Pope Boniface was pope from November 2, 1389, until October 1, 1404.
Pope Marcellus II was the 222nd pope. he reigned from April 9, 1555, until April 30 or 1 May 1, 1555.
The first Pope Benedict was in office from 575-579.