Template:Selected anniversaries/September 25: Difference between revisions
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File:George Salmon.jpg|link=George Salmon (nonfiction)|1819: Mathematician and Anglican theologian [[George Salmon (nonfiction)|George Salmon]] born. He will work in algebraic geometry for two decades, then devote the last forty years of his life to theology. | File:George Salmon.jpg|link=George Salmon (nonfiction)|1819: Mathematician and Anglican theologian [[George Salmon (nonfiction)|George Salmon]] born. He will work in algebraic geometry for two decades, then devote the last forty years of his life to theology. | ||
||1851: First successful submarine cable laid: The cable was laid between South Foreland and Sangatte by ''Blazer'' under tow from two tugs. The cable ran out a mile before reaching Sangette. As a temporary measure, a length of unarmoured cable used for the underground link from Sangette to Calais was spliced on to enable the ocean cable to be landed. https://en.wikipedia.org/wiki/Submarine_Telegraph_Company Pic. | ||1851: First successful submarine cable laid: The cable was laid between South Foreland and Sangatte by ''Blazer'' under tow from two tugs. The cable ran out a mile before reaching Sangette. As a temporary measure, a length of unarmoured cable used for the underground link from Sangette to Calais was spliced on to enable the ocean cable to be landed. https://en.wikipedia.org/wiki/Submarine_Telegraph_Company Pic. | ||
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File:George Plimpton 1993.jpg|link=George Plimpton (nonfiction)|2003: Journalist, writer, literary editor, and actor [[George Plimpton (nonfiction)|George Plimpton]] dies. Plimpton is famous for his "participatory journalism": competing in professional sporting events, playing with the New York Philharmonic Orchestra, performing a circus trapeze act, and then recording the experience from the point of view of an amateur. | File:George Plimpton 1993.jpg|link=George Plimpton (nonfiction)|2003: Journalist, writer, literary editor, and actor [[George Plimpton (nonfiction)|George Plimpton]] dies. Plimpton is famous for his "participatory journalism": competing in professional sporting events, playing with the New York Philharmonic Orchestra, performing a circus trapeze act, and then recording the experience from the point of view of an amateur. | ||
File:Dennis_Paulson_of_Mars.jpg|link=Dennis Paulson of Mars|2017: ''[[Dennis Paulson of Mars]]'' says that the twenty-fifth anniversary of the launch of the [[Mars Observer (nonfiction)|Mars Observer]] is a bittersweet event, because the spacecraft will be lost eleven months later. | File:Dennis_Paulson_of_Mars.jpg|link=Dennis Paulson of Mars|2017: ''[[Dennis Paulson of Mars]]'' says that the twenty-fifth anniversary of the launch of the [[Mars Observer (nonfiction)|Mars Observer]] is a bittersweet event, because the spacecraft will be lost eleven months later. | ||
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Latest revision as of 13:07, 7 February 2022
1644: Astronomer and instrument maker Ole Rømer born. He will make the first quantitative measurements of the speed of light.
1777: Polymath Johann Heinrich Lambert dies. He made important contributions to mathematics, physics (particularly optics), philosophy, astronomy, and map projections.
1789: The United States Congress passes twelve amendments to the United States Constitution: The Congressional Apportionment Amendment (which was never ratified), the Congressional Compensation Amendment, and the ten that are known as the Bill of Rights.
1819: Mathematician and Anglican theologian George Salmon born. He will work in algebraic geometry for two decades, then devote the last forty years of his life to theology.
1893: Mathematician and statistician Harald Cramér born. He will help found probability theory as a branch of mathematics, writing in 1926: "The probability concept should be introduced by a purely mathematical definition, from which its fundamental properties and the classical theorems are deduced by purely mathematical operations."
1992: NASA launches the Mars Observer, a $511 million probe to Mars, in the first U.S. mission to the planet in 17 years. The probe will fail eleven months later.
2002: Steganographic analysis of Humpty Dumpty At Bat reveals previously unknown biography of Babe Ruth by Lewis Carroll.
2003: Journalist, writer, literary editor, and actor George Plimpton dies. Plimpton is famous for his "participatory journalism": competing in professional sporting events, playing with the New York Philharmonic Orchestra, performing a circus trapeze act, and then recording the experience from the point of view of an amateur.
2017: Dennis Paulson of Mars says that the twenty-fifth anniversary of the launch of the Mars Observer is a bittersweet event, because the spacecraft will be lost eleven months later.