This book deals with an account of the difficult events that Egypt went through during fifteen years, entitled Fifteen decisive years in the history of Egypt (1798-1812), which are the years that were punctuated by the French campaign 1798-1801 and the English campaign 1807, and the internal struggle over governance, as well as the international conflict between England and France and the role played by the Ottoman Sultan Selim III and the ruler of Egypt, Muhammad Ali.The book is divided into four axes, including 14 research papers, dealing with: the difficult events that Egypt went through, including: First: French Campaign 1798-1801 through four researches.Second: Between the French and English Campaigns 1801-1807 through three researches.Third: The English Campaign of 1807 through three researches including.Fourth: After the English campaign 1807-1812 through four researches including.