Gamal Abdel Nasser Hussein (Arabic: جمال عبد الناصر حسين‎, IPA: [ɡæˈmæːl ʕæbdenˈnɑːsˤeɾ ħeˈseːn]; 15 January 1918 – 28 September 1970) was the second President of Egypt, serving from 1956 until his death. Nasser led the 1952 overthrow of the monarchy and introduced far-reaching land reforms the following year. Following a 1954 attempt on his life by a Muslim Brotherhood member acting on his own, he cracked down on the organization, put President Muhammad Naguib under house arrest, and assumed executive office, officially becoming president in June 1956.
Try to answer this question if possible (otherwise reply "unanswerable"): What type of government did Nasser overthrow?
monarchy