It's always fashionable to make fun of the US doing things its own way, when that's just seldom true. You're mostly right that nobody else uses MMDDYYYY (altho

It's always fashionable to make fun of the US doing things its own way, when that's just seldom true. You're mostly right that nobody else uses MMDDYYYY (although many countries use it as a secondary format). But it's not like there's a consistent format that _everyone else_ uses. There are 2-3 different formats spread around the world, with no real consistency in why some pick a particular format.