«Y'all» was being used in English poetry well before the States were even a thing. We just popularized it (by 'we,' I mean white southern and black Americans).
As to dates, if you write out a date, it'd follow the "[month] [day], [year]" format. If someone asks you to specify a date, would you say «1st April,» or «April 1st?» Looking at it this way, our format is more intuitive and in line with how people would actually speak.
As for American spelling variants, you can thank us for cleaning up the unnecessary surplus of letters in your words.
Edited on by Ralizah
@LN78 It's not all my fault. I don't actually say y'all since I'm not from the south. So, I guess once again… only kinda sorta.
Read more on pushsquare.com