Answer :
Egypt and Syria were the countries who were responsible for attacking Israel during the Yom Kippur War in the year 1973.
What is the significance of Yom Kippur War?
The Yom Kippur War was a war where a number of Arab-majority countries had participated to fight against the Jewish communities and regions. Israel had a majority of the Jewish population.
As a result, to culminate the Jewish out of the Arab countries and make it a Muslim-majority state, countries like Egypt and Syria led an attack on Israel, which was later known as the event of the Yom Kippur War.
Hence, the significance of the Yom Kippur War is aforementioned.
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