Tahrir Square (Arabic: ميدان التحرير Mīdān at-Taḥrīr, IPA: [meˈdæːn ettæħˈɾiːɾ], English: Liberation Square), also known as "Martyr Square", is a major public town square in downtown Cairo, Egypt. The square has been the location and focus for political demonstrations in Cairo since the early 20th century; the city's previous central square was Salah al-Din Square. The 2011 Egyptian revolution and the resignation of President Hosni Mubarak occurred at the Tahrir Square. From Wikipedia