Cinco de Mayo’s surprise victory affected both Mexican, US history
“A recent poll conducted in the United States by Mexican avocado exporters showed that only 22% of Americans know the true history of Cinco de Mayo. For Mexican Americans, it is a day to celebrate their Mexican heritage. For those who aren’t Mexican — and who often mistakenly think it is Mexico’s Independence Day — it’s a day to imbibe tequila and indulge in guacamole and chips.
But May 5, 1862, had a profound impact on the history of both Mexico and the United States. Cinco de Mayo is a commemoration of the Mexican victory over the French in the 1862 Battle of Puebla during the Franco-Mexican War…”
https://mexiconewsdaily.com/culture/cinco-de-mayo-changed-mexican-and-us-history/