Throughout history, "Simultaneous Invention", also known as "Multiple Discovery", is quite frequent.
Lothar Meyer and Dmitri Mendeleev discovered and published the Periodic Table of Elements barely a year apart. Neither knew of the other's work.
Television was invented by five different people around the world within a few years of each other in the 1920s: John Logue Baird, Philo T. Farnsworth, Kenjiro Takayanagi, Charles F. Jenkins, and Vladimir Zworykin.
Both Alexander Graham Bell and Elisha Gray submitted independent patent applications concerning telephones to the patent office in Washington on February 14, 1876
Jack Kilby and Robert Noyce both invented the microchip in 1958 and 1959, less than six months apart.
The Skladanowsky Brothers in Germany and Woodville Latham in the USA invented the film projector around the same time, both being unveiled to the public in 1895.
Evidence of Synchronicity? Ancient astronaut theorists say "yes".