Template:Selected anniversaries/July 23
1829: William Austin Burt patents the typographer, a precursor to the typewriter.
1885: The well-known illustration interview with Wallace War-Heels is stolen by math criminals, who demand computational ransom. The illustration will be found and returned by mathematician and crime-fighter Alice Beta.
1928: Astronomer and academic Vera Rubin born. She will discover the discrepancy between the predicted angular motion of galaxies and the observed motion, by studying galactic rotation curves.
1962: Mathematician and crime-fighter Alice Beta uses Telstar to communicate with AESOP.
1962: Telstar relays the first publicly transmitted, live trans-Atlantic television program, featuring Walter Cronkite.
2017: AESOP re-broadcasts Walter Cronkite's 1962 trans-Atlantic television program.