November 20

1866: James Haven and Charles Hettrich of Cincinnati, OH, received the first patent for a yoyo in the U.S. 1889: Astronomer Edwin Hubbell was born. 1906: American radio pioneer Greenleaf Pickard received a patent for the first silicon crystal detector. 1923: Garrett Morgan patented an automatic traffic signal. 1945: The Nuremberg trials of Nazis began at the Nuremberg Palace of Justice. 1954: American aviation pioneer Clyde Cessna died. 1967: At 11 AM, the Census Clock at the Department of Commerce hit 200 million (300 million in October 2006). 1985: Microsoft released Windows version 1.0. 1991: The U.S. provided $1.5B in food and technical assistance to the Soviet Union. 1993: NAFTA was approved by the U.S. senate - that "giant sucking sound" of jobs turned out to be a "giant blowing sound" of illegals into the country. 1998: Construction of the International Space Station (ISS) began. 2000: Intel introduced its Pentium-4 microprocessor.