It depends how far back you want to go. The trackball, a very similar device, was first created in 1946 by Ralph Benjamin. Douglas Engelbart made the first mouse prototype sometime in the 1960s. However, a German company, Telefunken, demoed the first mouse publicly.
The first user of the computer mouse was Doug Englebert
The earliest mouse was invented in 1946 by the British but was a military device kept secret. The first personnel computer (PC) mouse was invented in 1982 by Microsoft.
Stanford Research Institute
made in the usa
Douglus
USA 1963
The computer mouse was created by Stamford Research Institute in California. The first mouse (built out of a block of wood) is on display in a case in their lobby.
To our research we find that the first computer mouse was made out of Wood.
mechanical mouse
The first computer mouse was invented in 1963-64 by a man named Douglas Engelbartas.
wood
XEROX Alto
same as now
XEROX
2025
Apple Lisa
Douglas Engelbart created the first mouse at Stanford Research Institute in1963.
The character Maisy Mouse was first created for the Nickelodeon animated series. Maisy Mouse character was first introduced on February 2, 1999 to November 1, 2007.