He war began when the Arab coalition launched a joint surprise attack on Israeli positions in the Israeli-occupied territories<span> on </span>Yom Kippur<span>, the holiest day in Judaism, which also occurred that year during the Muslim holy month of </span>Ramadan.[55]<span> Egyptian and Syrian forces crossed ceasefire lines to enter the Sinai Peninsula and the Golan Heights respectively. Both the United States and the </span>Soviet Union<span> initiated massive resupply efforts to their respective allies during the war, and this led to a near-confrontation between the two nuclear superpowers.</span>
