On Thu, 2026-07-30 at 22:56 +0200, Jan Claeys wrote: > On Thu, 2026-07-30 at 14:51 -0400, hlyg wrote: > > 1st computer ENIAC was built in US in 1945 > > Correction: Konrad Zuse finished his Z4 computer in April 1945, > before > ENIAC was finished in May 1945. > > And before that there were also programmable computers in several > countries that weren’t “potentially universal Turing machines” yet, > including Zuse’s Z1 in 1938, Zuse’s Z3 in 1941, the UK’s Colossus in > 1943, and the Harvard Mark I in 1944, etc.
How about the ABC, or Atanasoff-Berry Computer at Iowa State in 1937- 1942?

