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Technology without the Great War

I’m trying to imagine how technology would have progressed without the Great War. For my proposed POD, Europe muddles through the time after Archduke Ferdinand’s assassination without a general war erupting—though it’s close. Instead, the continent pulls back from the brink. No major changes politically happen for some time, and the pattern of one crisis after another being narrowly averted continues—say until at least the mid 1940’s. I’m not interested in the exact details here, even if a bit of handwavium is a necessary ingredient in the process. (I know no great war from 1914 until the 1940’s/50’s is LOW probability.)

Instead, I’m wondering how technology may advance in this time. I can see the following:

Russia may well be a very important player in air transport. Pre Great War, the Russians already had a 4 engine airliner—which in otl became the world’s first 4 engine bomber. Igor Sikorsky designed and built it—and later, was critical to helicopter development. Without a Russian Revolution, he might well have stayed in Russia. Even here, though, I doubt aeronautics will advance as fast as in OTL—though a long distance airliner may play a role here in encouraging competitors.

Motorcars for the masses: Clearly the USA is the leader here, just as in OTL, at least for some time. Ford’s Model T came out in 1909, and mass production was placing them on the roads in untold quantities. Other nations might make fancier ones, though. And perhaps without the Great War, would someone else also start cranking out a model T equivalent?

New battleships, at least ones that enter service by 1918 or so, are little changed, except for the Repulse, Renown, and Fischer’s Follies. Most of them were already cast in stone as of the POD. The later ships change, of course, as the lessons of the Great War aren’t learned, so the USA has a significant lead in protection. (Only the USA introduced All or Nothing armor before Jutland, and some have called the Standards “Post Jutland designs before Jutland”)

Submarines, and especially anti-submarine technology, develop slower, witout the needs of the war.

I would be unsurprised if TV becomes popular earlier, since it was broadcast in the pre-World War II era in OTL, but delayed by the war.

Any other thoughts on what technology comes faster, or is delayed—and who comes up with it?

(Einstein might not emigrate to the USA either, or Slizard, or a host of others.)

What else changes? The technological butterflies could be huge.
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