The first chat system was used between 1971 and 1986, by the US government. The first public chat service began in 1973.
Heck, there might even be a version of the CompuServe, which started in 1980.
Chat room - Wikipedia
I always thought of it as "more or less French Carnatic".
The British sovereign also holds the title Lord of Mann and Duke of Normandy, regardless of gender.
The title would probably be something like "Queen of the Seven United Netherlands", followed by a string of titles referring to each state.
The position of Stadholder would probably evolve into...
If you mean "the US breaks up like the USSR did IOTL", then that's almost impossible short of some severe levels of badness. I'm not sure that anything short of a nuclear war could do it.
If you mean "there aren't any superpowers any more", then that's easier, but still...
IIRC, there were significant complaints about the division of Bengal between 1905 and 1912.
Eastern Bengal and Assam - Wikipedia
Nationalists were concerned about divide and rule, whilst Calcutta merchants were worried about losing their influence.
IDK how strong Bengali feeling was in...
An Axis Spain would lose its colonies, maybe lose Catalonia and/or the Basque Country (or at least have independence referendums), and possibly have some minor border changes with France and Portugal.
I'm not sure there is enough support for an independent Andalusia even in the region...