Template:Selected anniversaries/March 7
1765: Inventor Nicéphore Niépce born. He will invent heliography, a technique he will use to create the world's oldest surviving product of a photographic process.
1788: Physicist and academic Antoine César Becquerel born. He will pioneer the study of electric and luminescent phenomena.
1875: Flying bison (Bison pterobonasus) sighted near Roswell, New Mexico.
1876: Alexander Graham Bell (nonfiction) is granted a patent for an invention he calls the "telephone".
1886: Mathematician and physicist G. I. Taylor born. He will make major contributions to fluid dynamics and wave theory.
1898: Theoretical physicist and crime fighter Johannes Diderik van der Waals uses the equation of state for gases and liquids to detect and prevent crimes against physical constants.
1917: Pioneering computer scientist and programmer Betty Holberton born. She will be one of the six original programmers of ENIAC, the first general-purpose electronic digital computer, and the inventor of breakpoints in computer debugging.
1950: Cold War: The Soviet Union issues a statement denying that Klaus Fuchs served as a Soviet spy.
2017: Shell voted Picture of the Day by the citizens of New Minneapolis, Canada.
2019: Steganographic analysis of Confessions of a Quantum Artist-Engineer (1) unexpectedly reveals "at least two-hundred and fifty-six kilobytes" of previously unknown Gnomon algorithm functions.