The 20th century could be defined by the numerous wars that took place during it. Even though the average citizen of the world may consider the First and Second World Wars as only the only two major wars that changed the course of world history, the world would not be what it is today if it were not for the many other wars respectively more small ones that took place. place. The October War of 1973 is one of those wars where it is overlooked in the big picture of things, but it undoubtedly changed the course of world history. There is much controversy associated with this war, with both sides claiming to have been victorious. The October 1973 war was fought between Israel and their Arab neighbors: Egypt and Syria. There were tensions left over from the 1967 Six-Day War in which Israel successfully captured both Egypt's Sinai Peninsula and the Gaza Strip, and the strategic Golan Heights from Syria1 [4]. After the Six-Day War a ceasefire line was created in Syria and Egypt separating Israel's newly acquired land from Egypt and Israel. Anwar el-Sadat became president of Egypt in 1970 and took command of an “economically distressed nation that could not afford to continue its never-ending crusade against Israel”2 [4]. In 1972 el-Sadat formed an alliance with Syria and began planning an attack against Israel3. [1]Then on October 6, 1973 during Yom Kippur and the Islamic holy month of Ramadan; the Egyptians sent 220 air force planes followed by infantry to the Sinai Peninsula and at the same time Syria launched an attack on the Golan Heights4.[1] Israel had a spy in Egypt, Ashraf Marwan, who had warned the head of Israeli intelligence, Zvi Zamir, on October 5, a day before the impending attacks5[1]. This warning gave the Israelis some time to prepare for… half of the document… Accessed April 2, 2014. http://www.historylearningsite.co.uk/six_day_war_1967.htm.7 “ The states OPEC Declare Oil Embargo,” The History Channel website, http://www.history.com/this-day-in-history/opec-states-declare-oil-embargo (accessed April 10, 2014).8. Hassan Elmalah, (First Lieutenant of the October War), interview by Mustafa Elmalah, On the telephone "The October War", Record, 4 April 2014.9. Connolly, Kevin. BBC, “The legacy of the 1973 Arab-Israeli war echoes 40 years later.” Last modified October 5, 2013. Accessed April 4, 2014. http://www.bbc.com/news/world-middle-east-24402464.10 Gwertzman, Bernard . "Egypt and Israel sign formal treaty." The New York Times, Late City Edition, sec. title, May 27, 1979.11. WorldsAssassinations.. "The Assassination of Anwar El Sadat" Recorded November 18, 2008 October 6, 1981. Web, https://www.youtube.com/watch?v=rhu-YgCyPz4.