Explain in 3-4 sentences Yom Kippur War. also include the year.

The Yom Kippur War, also known as the October War, was fought between Israel and a coalition of Arab states led by Egypt and Syria in October 1973. The conflict began with a surprise attack by the Arab coalition on Israel during the Jewish holiday of Yom Kippur, catching Israel off guard. Despite initial setbacks, Israel was able to push back the Arab forces and secure a ceasefire mediated by the United Nations after three weeks of intense fighting. The war had a lasting impact on the Middle East, leading to significant diplomatic and territorial changes.