In 1877 Thomas Edison invented the phonograph and made the first sound recording.

Thomas Edison's work on two other inventions, the telegraph and the telephone, led to the development of the phonograph. In 1877, Edison was developing a machine that would transcribe telegraphic messages into indentations on paper tape, which could then be sent repeatedly over the telegraph.
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Gulshan Kumar, a businessman from India, founded the T-Series music label and worked as a Bollywood film producer in 1997.

Australia's captain Ian Chappell and his brother Greg became the first pair of brothers to score centuries in the same Test innings

Aarakshan is a 2011 Indian drama film in the Hindi language. On August 12, 2011, the movie was released to generally negative reviews.

Susan Hendrickson, a fossil hunter, discovers three massive bones jutting out of a cliff near Faith, South Dakota, on August 12, 1990.

Erwin Rudolf Josef Alexander Schrödinger (12 August 1887 – 4 January 1961), also known as Erwin Schrodinger or Erwin Schroedinger

2018 - An explosion at a weapons depot in a town controlled by rebels in northwest Syria kills 39 civilians, 12 of whom are children.

Every year on August 12, International Youth Day is observed to raise awareness of a specific set of social, cultural, and legal issues affecting young people.

Vikram Sarabhai was an Indian physicist and astronomer who pioneered space exploration and assisted in the country's development of nuclear power in 1919.