1877CE
Invention
Edison Invents the Phonograph
Thomas Edison completes the first model of the phonograph, a device for recording and reproducing sound. His invention revolutionized the music industry and paved the way for modern audio recording.
Daily Chronicle
August 12
4 Historical Records
1887CE
Birth
Erwin Schrödinger Born
An Austrian-Irish physicist who developed a number of fundamental results in quantum theory, most notably the Schrödinger equation. He is also famous for his 'Schrödinger's cat' thought experiment.
1981CE
Invention
IBM Personal Computer Released
IBM releases the IBM Personal Computer, commonly known as the IBM PC. It quickly became the industry standard and dominated the home and business computer market.
1990CE
Science
Sue the T-Rex Discovered
Paleontologist Sue Hendrickson discovers the largest and most complete Tyrannosaurus Rex skeleton in South Dakota. The fossil, nicknamed 'Sue', is now housed at the Field Museum in Chicago.