Repost from Reddit: https://www.reddit.com/r/dataisbeautiful/comments/8qt94a/endianess_of_date_and_address_formats_in_europe/
On the reddit comments some user wrote the address format for Russia is wrong on this map, they use big-endian as well.
Also Hungary is the only country in Europe where we use big endianness in names, aka Eastern name order: surname first, firstname second.
ISO 8601 allows either dashes or no separator, both 20230810 an 2023-08-10 are valid, but not 2023.08.10 .
Without dashes is annoying to read though.