Photo Gallery: The Second Stage of Egypt's Revolution 01/25/2012
 Jan. 25 marks the one-year anniversary of the start of the revolution that led...
DPA

Jan. 25 marks the one-year anniversary of the start of the revolution that led to the ousting of Hosni Mubarak, who had led Egypt for three decades. Tens of thousands gathered Wednesday in Cairo's Tahrir Square, the birthplace of the revolution, to celebrate.