On June 27 in …
1844 -– Joseph Smith, founder of the Latter Day Saints movement (Mormons), and his brother Hyrum Smith, are killed by a mob at the Carthage, Illinois, jail.
1880 — Helen Adams Keller is born in Tuscumbia, AL. A childhood illnesses rendered her deaf, mute, and blind, Nevertheless, she went on to greatness with the assistance of educator Anne Sullivan who taught her to read Braille and to sign. She graduated from college, became an inspirational speaker, and was one of the founders of the American Civil Liberties Union (ACLU).
1929 — Scientists at Bell Laboratories in New York reveal a system for transmitting television pictures created by Herbert E. Ives and colleagues. The first images to appear were a bouquet of roses and an American flag. A mechanical system was utilized to transmit the 50-line color television images between AT&T in New York and Washington.
1973 — Former White House counsel John W. Dean tells the Senate Watergate Committee about an “enemies list” that is being kept by the Nixon White House.
2013 — The National Aeronautics and Space Administration (NASA) launches the Interface Region Imaging Spectrograph (IRIS), a space probe built to observe the sun.