Template:Selected anniversaries/July 20: Difference between revisions
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||Kai Manne Börje Siegbahn (d. 2007) was a Swedish physicist. | ||Kai Manne Börje Siegbahn (d. 2007) was a Swedish physicist. | ||
File:Pin Man.jpg|link=Pin Man|2017: [[Pin Man]] says he "was | Two_Creatures_2.jpg|link=Two Creatures 2 (nonfiction)|2016: Signed first edition of ''[[Two Creatures 2 (nonfiction)|Two Creatures 2]]'' stolen from the Weisman Art Museum in [[New Minneapolis, Canada]]. | ||
File:Pin Man.jpg|link=Pin Man|2017: [[Pin Man]] says he "was an unwilling test subject in the [[Project MKUltra (nonfiction)]]." | |||
</gallery> | </gallery> | ||
Revision as of 11:13, 14 September 2018
1866: Mathematician and academic Bernhard Riemann dies. He made contributions to analysis, number theory, and differential geometry.
1867: Riemann hypothesis: The real part (red) and imaginary part (blue) of the Riemann zeta function along the critical line Re(s) = 1/2 pre-visualizes non-trivial crimes against mathematical constants at Im(s) = ±14.135, ±21.022 and ±25.011.
1932: In Washington, D.C., police fire tear gas on World War I veterans, part of the Bonus Expeditionary Force, who attempt to march to the White House.
1937: Businessman and inventor Guglielmo Marconi dies. He shared the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".
1938: Mathematician and crime-fighter Ferdinand von Lindemann uses the transcendental property of π (pi) to detect and prevent crimes against mathematical constants.
1977: Project MKUltra (nonfiction): The Central Intelligence Agency releases documents under the Freedom of Information Act revealing it had engaged in mind-control experiments.
2016: Signed first edition of Two Creatures 2 stolen from the Weisman Art Museum in New Minneapolis, Canada.
2017: Pin Man says he "was an unwilling test subject in the Project MKUltra (nonfiction)."