The Six Day war one of the most pivotal and land marking six days in the history of the Arab Israeli Conflict and the 20thcentury. This paper however, will focus on the causes of the June 1967 War otherwise known as the 6 Day War. It will discuss the miscalculations, over confidence, and overestimations by Egyptian President Gamal Abdel Nasser. It will assess the significance of the false information that the USSR gave Nasser which the Egyptian President probably suspected was false. The paper will also analyze Israel’s role in the lead up to the conflict. Furthermore, the research paper will assess the roles played by Syria and the Palestinian Militias such as Fatah in provoking a conflict. Finally, the paper will determine with which side responsibility primarily lay with.