Remembering January 25 in Egypt (21 images)

January 25, 2012 marks the one-year anniversary of the start of the revolution in Egypt that eventually toppled President Hosni Mubarak's regime. The hotbed of the revolution, Tahrir Square, became the focal point of worldwide attention, and became the highest-profile event in the entire Arab Spring.

Egyptian anti-government protesters in Cairo's Tahrir Square during demonstrations to force President Hosni Mubarak to quit, on February 5, 2011. UPI.

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Egyptian demonstrators looks up at a military helicopter during protests in Cairo's Tahrir square at the biggest anti-government protests in three decades in a bid to topple the government President Hosni Mubarak in Cairo, Egypt on January 31, 2011. UPI

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Egyptians clash with police in Cairo's main square during a large anti-government protest in a bid to topple the government President Hosni Mubarak in Cairo, Egypt on January January 25, 2011. UPI

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Egyptian demonstrators protest near a tank Cairo's Tahrir square during the biggest anti-government protests in three decades in a bid to topple the government President Hosni Mubarak in Cairo, egypt on January 28, 2011. UPI

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