CINCO DE MAYO Cinco De Mayo's deeply rooted history in the Franco-Mexican War influenced Mexican-Mexican American communities in the early years of the American Civil War. In the early 1860s, as the Civil War erupted, these communities took up the banner of the Cinco De Mayo celebration as a way to commemorate the cause of freedom and democracy. Today, in the United States, Americans celebrate Mexican-American heritage and pride annually on May 5th. #CincodeMayo Cinco de Mayo is Spanish for “fifth of May.” On June 7, 2005, the United States Congress issued a Concurrent Resolution. The resolution invited the President...