#otd

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Today in Computing History in 1981, IBM introduced its first personal computer (PC), the IBM Model 5150. Although personal computers already existed, IBM’s entry into the market brought mainstream attention thanks to its brand recognition and marketing power. The IBM PC sold 65,000 units in just four months, setting a new benchmark for the industry. It quickly dominated the market and defined the “IBM-compatible” era, maintaining its lead until Apple introduced the Macintosh in 1984.

, 5 Aug 1888, Bertha Benz drove from Mannheim to Pforzheim: the first journey of 100+km in a car by *anyone*.

She'd got tired of her husband tinkering with his prototype so took it on the road with her sons. And without him.

Along the way, she made running repairs to the engine and realised there would need to be refueling stations.

Franz Liszt died in Bayreuth in 1886.

So here's a film of Louis Kentner playing the second (Italian) book of Années de pèlerinage at a recital in London in the 1960s.

This is just utterly wonderful.

https://www.youtube.com/watch?v=qJuPLpNxSAU

@classicalmusic

, 22 July 1952 (or just after) Prof. Virginia Apgar presents her new way of testing the health of newborn babies to a professional congress.

Apgar’s name is used as a mnemonic for the tests, which assess activity (tone), pulse, grimace, appearance, and respiration. This is a backcronym, where someone has picked words that will create an acronym that is also a specific name.

The Apgar test has saved countless newborn lives.