Today is Cinco de Mayo! A normal working day in Mexico most people don't think about, but a day many people in the US like to celebrate. How did this happen?

by ThePeasantKingM
hirebrand

Here is an answer to this question by u/RyanBordello from two years ago;

https://www.reddit.com/r/AskHistorians/comments/8gl96f/how_did_cinco_de_mayo_become_such_a_widely/