The IEEE apparently agrees: https://spectrum.ieee.org/tech-history/silicon-revolution/chip-hall-of-fame-intel-4004-microprocessor https://spectrum.ieee.org/tec

The IEEE apparently agrees: https://spectrum.ieee.org/tech-history/silicon-revolution/chip-hall-of-fame-intel-4004-microprocessor https://spectrum.ieee.org/tech-history/silicon-revolution/ch... > The Intel 4004 was the world’s first microprocessor—a complete general-purpose CPU on a single chip.