The Origins of Cinco de Mayo Today is Cinco de Mayo -- in Spanish, literally the "Fifth of May." People around the country celebrate the Mexican holiday -- but what are all the festivities really about? Reporter Allison Keyes finds out.
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The Origins of Cinco de Mayo

Today is Cinco de Mayo — in Spanish, literally the "Fifth of May." People around the country celebrate the Mexican holiday — but what are all the festivities really about? Reporter Allison Keyes finds out.