Template:Selected anniversaries/April 29

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  • 1667: Physician, satirist, and polymath John Arbuthnot born. He will invent the figure of John Bull.

    1667: Physician, satirist, and polymath John Arbuthnot born. He will invent the figure of John Bull.

  • 1756: Inventor, astronomer, mathematician, clockmaker, and surveyor David Rittenhouse constructs an exceptionally accurate orrery, which he will later use to create an early form of time crystals (nonfiction).

    1756: Inventor, astronomer, mathematician, clockmaker, and surveyor David Rittenhouse constructs an exceptionally accurate orrery, which he will later use to create an early form of time crystals (nonfiction).

  • 1854: Mathematician, physicist, and engineer Henri Poincaré born. He will make many original fundamental contributions to pure and applied mathematics, mathematical physics, and celestial mechanics.

    1854: Mathematician, physicist, and engineer Henri Poincaré born. He will make many original fundamental contributions to pure and applied mathematics, mathematical physics, and celestial mechanics.

  • 1974: Watergate scandal: United States President Richard Nixon announces the release of edited transcripts of White House tape recordings relating to the scandal.

    1974: Watergate scandal: United States President Richard Nixon announces the release of edited transcripts of White House tape recordings relating to the scandal.

  • 1985: Asclepius Myrmidon discovers an unlicensed halting problem "which will almost certainly result in a major radiation release event within a year."

    1985: Asclepius Myrmidon discovers an unlicensed halting problem "which will almost certainly result in a major radiation release event within a year."

  • 1986: Chernobyl disaster: American and European spy satellites capture the ruins of the 4th Reactor at the Chernobyl Power Plant.

    1986: Chernobyl disaster: American and European spy satellites capture the ruins of the 4th Reactor at the Chernobyl Power Plant.

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